tcctest.c

   1 /*
   2  * TCC auto test program
   3  */
   4
   5 /* Unfortunately, gcc version < 3 does not handle that! */
   6 //#define ALL_ISOC99
   7
   8 /* only gcc 3 handles _Bool correctly */
   9 //#define BOOL_ISOC99
  10
  11 #define C99_MACROS
  12
  13 /* test various include syntaxes */
  14
  15 #define TCCLIB_INC <tcclib.h>
  16 #define TCCLIB_INC1 <tcclib
  17 #define TCCLIB_INC2 h>
  18 #define TCCLIB_INC3 "tcclib"
  19
  20 #include TCCLIB_INC
  21
  22 #include TCCLIB_INC1.TCCLIB_INC2
  23
  24 #include TCCLIB_INC1.h>
  25
  26 #include TCCLIB_INC3 ".h"
  27
  28 #include <tcclib.h>
  29
  30 #include "tcclib.h"
  31
  32 void string_test();
  33 void expr_test();
  34 void macro_test();
  35 void scope_test();
  36 void forward_test();
  37 void funcptr_test();
  38 void loop_test();
  39 void switch_test();
  40 void goto_test();
  41 void enum_test();
  42 void typedef_test();
  43 void struct_test();
  44 void array_test();
  45 void expr_ptr_test();
  46 void bool_test();
  47 void expr2_test();
  48 void constant_expr_test();
  49 void expr_cmp_test();
  50 void char_short_test();
  51 void init_test(void);
  52 void compound_literal_test(void);
  53 int kr_test();
  54 void struct_assign_test(void);
  55 void cast_test(void);
  56 void bitfield_test(void);
  57 void c99_bool_test(void);
  58 void float_test(void);
  59 void longlong_test(void);
  60 void stdarg_test(void);
  61 void whitespace_test(void);
  62 void relocation_test(void);
  63 void old_style_function(void);
  64 void sizeof_test(void);
  65 void typeof_test(void);
  66
  67 int fib(int n);
  68 void num(int n);
  69 void forward_ref(void);
  70 int isid(int c);
  71
  72 #define A 2
  73 #define N 1234 + A
  74 #define pf printf
  75 #define M1(a, b)  (a) + (b)
  76
  77 #define str\
  78 (s) # s
  79 #define glue(a, b) a ## b
  80 #define xglue(a, b) glue(a, b)
  81 #define HIGHLOW "hello"
  82 #define LOW LOW ", world"
  83
  84 #define min(a, b) ((a) < (b) ? (a) : (b))
  85
  86 #ifdef C99_MACROS
  87 #define dprintf(level,...) printf(__VA_ARGS__)
  88 #endif
  89
  90 /* gcc vararg macros */
  91 #define dprintf1(level, fmt, args...) printf(fmt, ## args)
  92
  93 #define MACRO_NOARGS()
  94
  95 #define AAA 3
  96 #undef AAA
  97 #define AAA 4
  98
  99 #if 1
 100 #define B3 1
 101 #elif 1
 102 #define B3 2
 103 #elif 0
 104 #define B3 3
 105 #else
 106 #define B3 4
 107 #endif
 108
 109 #define __INT64_C(c)    c ## LL
 110 #define INT64_MIN       (-__INT64_C(9223372036854775807)-1)
 111
 112 void macro_test(void)
 113 {
 114     printf("macro:\n");\f\v
 115     pf("N=%d\n", N);
 116     printf("aaa=%d\n", AAA);
 117
 118     printf("min=%d\n", min(1, min(2, -1)));
 119
 120     printf("s1=%s\n", glue(HIGH, LOW));
 121     printf("s2=%s\n", xglue(HIGH, LOW));
 122     printf("s3=%s\n", str("c"));
 123     printf("s4=%s\n", str(a1));
 124     printf("B3=%d\n", B3);
 125
 126 #ifdef A
 127     printf("A defined\n");
 128 #endif
 129 #ifdef B
 130     printf("B defined\n");
 131 #endif
 132 #ifdef A
 133     printf("A defined\n");
 134 #else
 135     printf("A not defined\n");
 136 #endif
 137 #ifdef B
 138     printf("B defined\n");
 139 #else
 140     printf("B not defined\n");
 141 #endif
 142
 143 #ifdef A
 144     printf("A defined\n");
 145 #ifdef B
 146     printf("B1 defined\n");
 147 #else
 148     printf("B1 not defined\n");
 149 #endif
 150 #else
 151     printf("A not defined\n");
 152 #ifdef B
 153     printf("B2 defined\n");
 154 #else
 155     printf("B2 not defined\n");
 156 #endif
 157 #endif
 158
 159 #if 1+1
 160     printf("test true1\n");
 161 #endif
 162 #if 0
 163     printf("test true2\n");
 164 #endif
 165 #if 1-1
 166     printf("test true3\n");
 167 #endif
 168 #if defined(A)
 169     printf("test trueA\n");
 170 #endif
 171 #if defined(B)
 172     printf("test trueB\n");
 173 #endif
 174
 175 #if 0
 176     printf("test 0\n");
 177 #elif 0
 178     printf("test 1\n");
 179 #elif 2
 180     printf("test 2\n");
 181 #else
 182     printf("test 3\n");
 183 #endif
 184
 185     MACRO_NOARGS();
 186
 187 #ifdef __LINE__
 188     printf("__LINE__ defined\n");
 189 #endif
 190
 191     printf("__LINE__=%d __FILE__=%s\n",
 192            __LINE__, __FILE__);
 193 #line 200
 194     printf("__LINE__=%d __FILE__=%s\n",
 195            __LINE__, __FILE__);
 196 #line 203 "test"
 197     printf("__LINE__=%d __FILE__=%s\n",
 198            __LINE__, __FILE__);
 199 #line 200 "tcctest.c"
 200
 201     /* not strictly preprocessor, but we test it there */
 202 #ifdef C99_MACROS
 203     printf("__func__ = %s\n", __func__);
 204     dprintf(1, "vaarg=%d\n", 1);
 205 #endif
 206     dprintf1(1, "vaarg1\n");
 207     dprintf1(1, "vaarg1=%d\n", 2);
 208     dprintf1(1, "vaarg1=%d %d\n", 1, 2);
 209
 210     /* gcc extension */
 211     printf("func='%s'\n", __FUNCTION__);
 212
 213     /* complicated macros in glibc */
 214     printf("INT64_MIN=%Ld\n", INT64_MIN);
 215     {
 216         int a;
 217         a = 1;
 218         glue(a+, +);
 219         printf("a=%d\n", a);
 220         glue(a <, <= 2);
 221         printf("a=%d\n", a);
 222     }
 223
 224     /* comment with stray handling *\
 225 /
 226 }
 227
 228 int op(a,b)
 229 {
 230     return a / b;
 231 }
 232
 233 int ret(a)
 234 {
 235     if (a == 2)
 236         return 1;
 237     if (a == 3)
 238         return 2;
 239     return 0;
 240 }
 241
 242 void ps(char *s)
 243 {
 244     int c;
 245     while (1) {
 246         c = *s;
 247         if (c == 0)
 248             break;
 249         printf("%c", c);
 250         s++;
 251     }
 252 }
 253
 254 void string_test()
 255 {
 256     int b;
 257     printf("string:\n");
 258     printf("\141\1423\143\n");/* dezdez test */
 259     printf("\x41\x42\x43\x3a\n");
 260     printf("c=%c\n", 'r');
 261     printf("wc=%C 0x%lx %C\n", L'a', L'\x1234', L'c');
 262 #if 0
 263     printf("wstring=%S\n", L"abc");
 264     printf("wstring=%S\n", L"abc" L"def" "ghi");
 265     printf("'\\377'=%d '\\xff'=%d\n", '\377', '\xff');
 266     printf("L'\\377'=%d L'\\xff'=%d\n", L'\377', L'\xff');
 267 #endif
 268     ps("test\n");
 269     b = 32;
 270     while ((b = b + 1) < 96) {
 271         printf("%c", b);
 272     }
 273     printf("\n");
 274     printf("fib=%d\n", fib(33));
 275     b = 262144;
 276     while (b != 0x80000000) {
 277         num(b);
 278         b = b * 2;
 279     }
 280 }
 281
 282 void loop_test()
 283 {
 284     int i;
 285     i = 0;
 286     while (i < 10)
 287         printf("%d", i++);
 288     printf("\n");
 289     for(i = 0; i < 10;i++)
 290         printf("%d", i);
 291     printf("\n");
 292     i = 0;
 293     do {
 294         printf("%d", i++);
 295     } while (i < 10);
 296     printf("\n");
 297
 298     /* break/continue tests */
 299     i = 0;
 300     while (1) {
 301         if (i == 6)
 302             break;
 303         i++;
 304         if (i == 3)
 305             continue;
 306         printf("%d", i);
 307     }
 308     printf("\n");
 309
 310     /* break/continue tests */
 311     i = 0;
 312     do {
 313         if (i == 6)
 314             break;
 315         i++;
 316         if (i == 3)
 317             continue;
 318         printf("%d", i);
 319     } while(1);
 320     printf("\n");
 321
 322     for(i = 0;i < 10;i++) {
 323         if (i == 3)
 324             continue;
 325         printf("%d", i);
 326     }
 327     printf("\n");
 328 }
 329
 330
 331 void goto_test()
 332 {
 333     int i;
 334     static void *label_table[3] = { &&label1, &&label2, &&label3 };
 335
 336     printf("goto:\n");
 337     i = 0;
 338  s_loop:
 339     if (i >= 10)
 340         goto s_end;
 341     printf("%d", i);
 342     i++;
 343     goto s_loop;
 344  s_end:
 345     printf("\n");
 346
 347     /* we also test computed gotos (GCC extension) */
 348     for(i=0;i<3;i++) {
 349         goto *label_table[i];
 350     label1:
 351         printf("label1\n");
 352         goto next;
 353     label2:
 354         printf("label2\n");
 355         goto next;
 356     label3:
 357         printf("label3\n");
 358     next: ;
 359     }
 360 }
 361
 362 enum {
 363     E0,
 364     E1 = 2,
 365     E2 = 4,
 366     E3,
 367     E4,
 368 };
 369
 370 enum test {
 371     E5 = 1000,
 372 };
 373
 374 void enum_test()
 375 {
 376     enum test b1;
 377     printf("enum:\n%d %d %d %d %d %d\n",
 378            E0, E1, E2, E3, E4, E5);
 379     b1 = 1;
 380     printf("b1=%d\n", b1);
 381 }
 382
 383 typedef int *my_ptr;
 384
 385 void typedef_test()
 386 {
 387     my_ptr a;
 388     int b;
 389     a = &b;
 390     *a = 1234;
 391     printf("typedef:\n");
 392     printf("a=%d\n", *a);
 393 }
 394
 395 void forward_test()
 396 {
 397     printf("forward:\n");
 398     forward_ref();
 399     forward_ref();
 400 }
 401
 402
 403 void forward_ref(void)
 404 {
 405     printf("forward ok\n");
 406 }
 407
 408 typedef struct struct1 {
 409     int f1;
 410     int f2, f3;
 411     union union1 {
 412         int v1;
 413         int v2;
 414     } u;
 415     char str[3];
 416 } struct1;
 417
 418 struct struct2 {
 419     int a;
 420     char b;
 421 };
 422
 423 union union2 {
 424     int w1;
 425     int w2;
 426 };
 427
 428 struct struct1 st1, st2;
 429
 430 int main(int argc, char **argv)
 431 {
 432     string_test();
 433     expr_test();
 434     macro_test();
 435     scope_test();
 436     forward_test();
 437     funcptr_test();
 438     loop_test();
 439     switch_test();
 440     goto_test();
 441     enum_test();
 442     typedef_test();
 443     struct_test();
 444     array_test();
 445     expr_ptr_test();
 446     bool_test();
 447     expr2_test();
 448     constant_expr_test();
 449     expr_cmp_test();
 450     char_short_test();
 451     init_test();
 452     compound_literal_test();
 453     kr_test();
 454     struct_assign_test();
 455     cast_test();
 456     bitfield_test();
 457     c99_bool_test();
 458     float_test();
 459     longlong_test();
 460     stdarg_test();
 461     whitespace_test();
 462     relocation_test();
 463     old_style_function();
 464     sizeof_test();
 465     typeof_test();
 466     return 0;
 467 }
 468
 469 int tab[3];
 470 int tab2[3][2];
 471
 472 int g;
 473
 474 void f1(g)
 475 {
 476     printf("g1=%d\n", g);
 477 }
 478
 479 void scope_test()
 480 {
 481     printf("scope:\n");
 482     g = 2;
 483     f1(1);
 484     printf("g2=%d\n", g);
 485     {
 486         int g;
 487         g = 3;
 488         printf("g3=%d\n", g);
 489         {
 490             int g;
 491             g = 4;
 492             printf("g4=%d\n", g);
 493         }
 494     }
 495     printf("g5=%d\n", g);
 496 }
 497
 498 void array_test(int a[4])
 499 {
 500     int i, j;
 501
 502     printf("array:\n");
 503     printf("sizeof(a) = %d\n", sizeof(a));
 504     printf("sizeof(\"a\") = %d\n", sizeof("a"));
 505 #ifdef C99_MACROS
 506     printf("sizeof(__func__) = %d\n", sizeof(__func__));
 507 #endif
 508     printf("sizeof tab %d\n", sizeof(tab));
 509     printf("sizeof tab2 %d\n", sizeof tab2);
 510     tab[0] = 1;
 511     tab[1] = 2;
 512     tab[2] = 3;
 513     printf("%d %d %d\n", tab[0], tab[1], tab[2]);
 514     for(i=0;i<3;i++)
 515         for(j=0;j<2;j++)
 516             tab2[i][j] = 10 * i + j;
 517     for(i=0;i<3*2;i++) {
 518         printf(" %3d", ((int *)tab2)[i]);
 519     }
 520     printf("\n");
 521 }
 522
 523 void expr_test()
 524 {
 525     int a, b;
 526     a = 0;
 527     printf("%d\n", a += 1);
 528     printf("%d\n", a -= 2);
 529     printf("%d\n", a *= 31232132);
 530     printf("%d\n", a /= 4);
 531     printf("%d\n", a %= 20);
 532     printf("%d\n", a &= 6);
 533     printf("%d\n", a ^= 7);
 534     printf("%d\n", a |= 8);
 535     printf("%d\n", a >>= 3);
 536     printf("%d\n", a <<= 4);
 537
 538     a = 22321;
 539     b = -22321;
 540     printf("%d\n", a + 1);
 541     printf("%d\n", a - 2);
 542     printf("%d\n", a * 312);
 543     printf("%d\n", a / 4);
 544     printf("%d\n", b / 4);
 545     printf("%d\n", (unsigned)b / 4);
 546     printf("%d\n", a % 20);
 547     printf("%d\n", b % 20);
 548     printf("%d\n", (unsigned)b % 20);
 549     printf("%d\n", a & 6);
 550     printf("%d\n", a ^ 7);
 551     printf("%d\n", a | 8);
 552     printf("%d\n", a >> 3);
 553     printf("%d\n", b >> 3);
 554     printf("%d\n", (unsigned)b >> 3);
 555     printf("%d\n", a << 4);
 556     printf("%d\n", ~a);
 557     printf("%d\n", -a);
 558     printf("%d\n", +a);
 559
 560     printf("%d\n", 12 + 1);
 561     printf("%d\n", 12 - 2);
 562     printf("%d\n", 12 * 312);
 563     printf("%d\n", 12 / 4);
 564     printf("%d\n", 12 % 20);
 565     printf("%d\n", 12 & 6);
 566     printf("%d\n", 12 ^ 7);
 567     printf("%d\n", 12 | 8);
 568     printf("%d\n", 12 >> 2);
 569     printf("%d\n", 12 << 4);
 570     printf("%d\n", ~12);
 571     printf("%d\n", -12);
 572     printf("%d\n", +12);
 573     printf("%d %d %d %d\n",
 574            isid('a'),
 575            isid('g'),
 576            isid('T'),
 577            isid('('));
 578 }
 579
 580 int isid(int c)
 581 {
 582     return (c >= 'a' & c <= 'z') | (c >= 'A' & c <= 'Z') | c == '_';
 583 }
 584
 585 /**********************/
 586
 587 int vstack[10], *vstack_ptr;
 588
 589 void vpush(int vt, int vc)
 590 {
 591     *vstack_ptr++ = vt;
 592     *vstack_ptr++ = vc;
 593 }
 594
 595 void vpop(int *ft, int *fc)
 596 {
 597     *fc = *--vstack_ptr;
 598     *ft = *--vstack_ptr;
 599 }
 600
 601 void expr2_test()
 602 {
 603     int a, b;
 604
 605     printf("expr2:\n");
 606     vstack_ptr = vstack;
 607     vpush(1432432, 2);
 608     vstack_ptr[-2] &= ~0xffffff80;
 609     vpop(&a, &b);
 610     printf("res= %d %d\n", a, b);
 611 }
 612
 613 void constant_expr_test()
 614 {
 615     int a;
 616     printf("constant_expr:\n");
 617     a = 3;
 618     printf("%d\n", a * 16);
 619     printf("%d\n", a * 1);
 620     printf("%d\n", a + 0);
 621 }
 622
 623 int tab4[10];
 624
 625 void expr_ptr_test()
 626 {
 627     int *p, *q;
 628
 629     printf("expr_ptr:\n");
 630     p = tab4;
 631     q = tab4 + 10;
 632     printf("diff=%d\n", q - p);
 633     p++;
 634     printf("inc=%d\n", p - tab4);
 635     p--;
 636     printf("dec=%d\n", p - tab4);
 637     ++p;
 638     printf("inc=%d\n", p - tab4);
 639     --p;
 640     printf("dec=%d\n", p - tab4);
 641     printf("add=%d\n", p + 3 - tab4);
 642     printf("add=%d\n", 3 + p - tab4);
 643 }
 644
 645 void expr_cmp_test()
 646 {
 647     int a, b;
 648     printf("constant_expr:\n");
 649     a = -1;
 650     b = 1;
 651     printf("%d\n", a == a);
 652     printf("%d\n", a != a);
 653
 654     printf("%d\n", a < b);
 655     printf("%d\n", a <= b);
 656     printf("%d\n", a <= a);
 657     printf("%d\n", b >= a);
 658     printf("%d\n", a >= a);
 659     printf("%d\n", b > a);
 660
 661     printf("%d\n", (unsigned)a < b);
 662     printf("%d\n", (unsigned)a <= b);
 663     printf("%d\n", (unsigned)a <= a);
 664     printf("%d\n", (unsigned)b >= a);
 665     printf("%d\n", (unsigned)a >= a);
 666     printf("%d\n", (unsigned)b > a);
 667 }
 668
 669 struct empty {
 670 };
 671
 672 struct aligntest1 {
 673     char a[10];
 674 };
 675
 676 struct aligntest2 {
 677     int a;
 678     char b[10];
 679 };
 680
 681 struct aligntest3 {
 682     double a, b;
 683 };
 684
 685 struct aligntest4 {
 686     double a[0];
 687 };
 688
 689 void struct_test()
 690 {
 691     struct1 *s;
 692     union union2 u;
 693
 694     printf("struct:\n");
 695     printf("sizes: %d %d %d %d\n",
 696            sizeof(struct struct1),
 697            sizeof(struct struct2),
 698            sizeof(union union1),
 699            sizeof(union union2));
 700     st1.f1 = 1;
 701     st1.f2 = 2;
 702     st1.f3 = 3;
 703     printf("st1: %d %d %d\n",
 704            st1.f1, st1.f2, st1.f3);
 705     st1.u.v1 = 1;
 706     st1.u.v2 = 2;
 707     printf("union1: %d\n", st1.u.v1);
 708     u.w1 = 1;
 709     u.w2 = 2;
 710     printf("union2: %d\n", u.w1);
 711     s = &st2;
 712     s->f1 = 3;
 713     s->f2 = 2;
 714     s->f3 = 1;
 715     printf("st2: %d %d %d\n",
 716            s->f1, s->f2, s->f3);
 717     printf("str_addr=%x\n", (int)st1.str - (int)&st1.f1);
 718
 719     /* align / size tests */
 720     printf("aligntest1 sizeof=%d alignof=%d\n",
 721            sizeof(struct aligntest1), __alignof__(struct aligntest1));
 722     printf("aligntest2 sizeof=%d alignof=%d\n",
 723            sizeof(struct aligntest2), __alignof__(struct aligntest2));
 724     printf("aligntest3 sizeof=%d alignof=%d\n",
 725            sizeof(struct aligntest3), __alignof__(struct aligntest3));
 726     printf("aligntest4 sizeof=%d alignof=%d\n",
 727            sizeof(struct aligntest4), __alignof__(struct aligntest4));
 728
 729     /* empty structures (GCC extension) */
 730     printf("sizeof(struct empty) = %d\n", sizeof(struct empty));
 731     printf("alignof(struct empty) = %d\n", __alignof__(struct empty));
 732 }
 733
 734 /* XXX: depend on endianness */
 735 void char_short_test()
 736 {
 737     int var1, var2;
 738
 739     printf("char_short:\n");
 740
 741     var1 = 0x01020304;
 742     var2 = 0xfffefdfc;
 743     printf("s8=%d %d\n",
 744            *(char *)&var1, *(char *)&var2);
 745     printf("u8=%d %d\n",
 746            *(unsigned char *)&var1, *(unsigned char *)&var2);
 747     printf("s16=%d %d\n",
 748            *(short *)&var1, *(short *)&var2);
 749     printf("u16=%d %d\n",
 750            *(unsigned short *)&var1, *(unsigned short *)&var2);
 751     printf("s32=%d %d\n",
 752            *(int *)&var1, *(int *)&var2);
 753     printf("u32=%d %d\n",
 754            *(unsigned int *)&var1, *(unsigned int *)&var2);
 755     *(char *)&var1 = 0x08;
 756     printf("var1=%x\n", var1);
 757     *(short *)&var1 = 0x0809;
 758     printf("var1=%x\n", var1);
 759     *(int *)&var1 = 0x08090a0b;
 760     printf("var1=%x\n", var1);
 761 }
 762
 763 /******************/
 764
 765 typedef struct Sym {
 766     int v;
 767     int t;
 768     int c;
 769     struct Sym *next;
 770     struct Sym *prev;
 771 } Sym;
 772
 773 #define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
 774 #define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
 775
 776 static int toupper1(int a)
 777 {
 778     return TOUPPER(a);
 779 }
 780
 781 void bool_test()
 782 {
 783     int *s, a, b, t, f, i;
 784
 785     a = 0;
 786     s = (void*)0;
 787     printf("!s=%d\n", !s);
 788
 789     if (!s || !s[0])
 790         a = 1;
 791     printf("a=%d\n", a);
 792
 793     printf("a=%d %d %d\n", 0 || 0, 0 || 1, 1 || 1);
 794     printf("a=%d %d %d\n", 0 && 0, 0 && 1, 1 && 1);
 795     printf("a=%d %d\n", 1 ? 1 : 0, 0 ? 1 : 0);
 796 #if 1 && 1
 797     printf("a1\n");
 798 #endif
 799 #if 1 || 0
 800     printf("a2\n");
 801 #endif
 802 #if 1 ? 0 : 1
 803     printf("a3\n");
 804 #endif
 805 #if 0 ? 0 : 1
 806     printf("a4\n");
 807 #endif
 808
 809     a = 4;
 810     printf("b=%d\n", a + (0 ? 1 : a / 2));
 811
 812     /* test register spilling */
 813     a = 10;
 814     b = 10;
 815     a = (a + b) * ((a < b) ?
 816                    ((b - a) * (a - b)): a + b);
 817     printf("a=%d\n", a);
 818
 819     /* test complex || or && expressions */
 820     t = 1;
 821     f = 0;
 822     a = 32;
 823     printf("exp=%d\n", f == (32 <= a && a <= 3));
 824     printf("r=%d\n", (t || f) + (t && f));
 825
 826     /* test ? : cast */
 827     {
 828         int aspect_on;
 829         int aspect_native = 65536;
 830         double bfu_aspect = 1.0;
 831         int aspect;
 832         for(aspect_on = 0; aspect_on < 2; aspect_on++) {
 833             aspect=aspect_on?(aspect_native*bfu_aspect+0.5):65535UL;
 834             printf("aspect=%d\n", aspect);
 835         }
 836     }
 837
 838     /* again complex expression */
 839     for(i=0;i<256;i++) {
 840         if (toupper1 (i) != TOUPPER (i))
 841             printf("error %d\n", i);
 842     }
 843 }
 844
 845
 846 int cinit1 = 0;
 847 int *cinit2 = (int []){3, 2, 1};
 848
 849 void compound_literal_test(void)
 850 {
 851     int *p, i;
 852     char *q, *q3;
 853
 854     printf("compound_test:\n");
 855
 856     p = (int []){1, 2, 3};
 857     for(i=0;i<3;i++)
 858         printf(" %d", p[i]);
 859     printf("\n");
 860
 861     for(i=0;i<3;i++)
 862         printf("%d", cinit2[i]);
 863     printf("\n");
 864
 865     q = "tralala1";
 866     printf("q1=%s\n", q);
 867
 868     q = (char *){ "tralala2" };
 869     printf("q2=%s\n", q);
 870
 871     q3 = (char *){ q };
 872     printf("q3=%s\n", q3);
 873
 874     q = (char []){ "tralala3" };
 875     printf("q4=%s\n", q);
 876
 877 #ifdef ALL_ISOC99
 878     p = (int []){1, 2, cinit1 + 3};
 879     for(i=0;i<3;i++)
 880         printf(" %d", p[i]);
 881     printf("\n");
 882
 883     for(i=0;i<3;i++) {
 884         p = (int []){1, 2, 4 + i};
 885         printf("%d %d %d\n",
 886                p[0],
 887                p[1],
 888                p[2]);
 889     }
 890 #endif
 891 }
 892
 893 /* K & R protos */
 894
 895 kr_func1(a, b)
 896 {
 897     return a + b;
 898 }
 899
 900 int kr_func2(a, b)
 901 {
 902     return a + b;
 903 }
 904
 905 kr_test()
 906 {
 907     printf("kr_test:\n");
 908     printf("func1=%d\n", kr_func1(3, 4));
 909     printf("func2=%d\n", kr_func2(3, 4));
 910     return 0;
 911 }
 912
 913 void num(int n)
 914 {
 915     char *tab, *p;
 916     tab = (char*)malloc(20);
 917     p = tab;
 918     while (1) {
 919         *p = 48 + (n % 10);
 920         p++;
 921         n = n / 10;
 922         if (n == 0)
 923             break;
 924     }
 925     while (p != tab) {
 926         p--;
 927         printf("%c", *p);
 928     }
 929     printf("\n");
 930 }
 931
 932 /* structure assignment tests */
 933 struct structa1 {
 934     int f1;
 935     char f2;
 936 };
 937
 938 struct structa1 ssta1;
 939
 940 void struct_assign_test1(struct structa1 s1, int t)
 941 {
 942     printf("%d %d %d\n", s1.f1, s1.f2, t);
 943 }
 944
 945 struct structa1 struct_assign_test2(struct structa1 s1, int t)
 946 {
 947     s1.f1 += t;
 948     s1.f2 -= t;
 949     return s1;
 950 }
 951
 952 void struct_assign_test(void)
 953 {
 954     struct structa1 lsta1, lsta2;
 955
 956 #if 0
 957     printf("struct_assign_test:\n");
 958
 959     lsta1.f1 = 1;
 960     lsta1.f2 = 2;
 961     printf("%d %d\n", lsta1.f1, lsta1.f2);
 962     lsta2 = lsta1;
 963     printf("%d %d\n", lsta2.f1, lsta2.f2);
 964 #else
 965     lsta2.f1 = 1;
 966     lsta2.f2 = 2;
 967 #endif
 968     struct_assign_test1(lsta2, 3);
 969
 970     printf("before call: %d %d\n", lsta2.f1, lsta2.f2);
 971     lsta2 = struct_assign_test2(lsta2, 4);
 972     printf("after call: %d %d\n", lsta2.f1, lsta2.f2);
 973 }
 974
 975 /* casts to short/char */
 976
 977 void cast1(char a, short b, unsigned char c, unsigned short d)
 978 {
 979     printf("%d %d %d %d\n", a, b, c, d);
 980 }
 981
 982 char bcast;
 983 short scast;
 984
 985 void cast_test()
 986 {
 987     int a;
 988     char c;
 989     char tab[10];
 990
 991     printf("cast_test:\n");
 992     a = 0xfffff;
 993     cast1(a, a, a, a);
 994     a = 0xffffe;
 995     printf("%d %d %d %d\n",
 996            (char)(a + 1),
 997            (short)(a + 1),
 998            (unsigned char)(a + 1),
 999            (unsigned short)(a + 1));
1000     printf("%d %d %d %d\n",
1001            (char)0xfffff,
1002            (short)0xfffff,
1003            (unsigned char)0xfffff,
1004            (unsigned short)0xfffff);
1005
1006     a = (bcast = 128) + 1;
1007     printf("%d\n", a);
1008     a = (scast = 65536) + 1;
1009     printf("%d\n", a);
1010
1011     printf("sizeof(c) = %d, sizeof((int)c) = %d\n", sizeof(c), sizeof((int)c));
1012
1013     /* test implicit int casting for array accesses */
1014     c = 0;
1015     tab[1] = 2;
1016     tab[c] = 1;
1017     printf("%d %d\n", tab[0], tab[1]);
1018
1019     /* test implicit casting on some operators */
1020     printf("sizeof(+(char)'a') = %d\n", sizeof(+(char)'a'));
1021     printf("sizeof(-(char)'a') = %d\n", sizeof(-(char)'a'));
1022     printf("sizeof(~(char)'a') = %d\n", sizeof(-(char)'a'));
1023 }
1024
1025 /* initializers tests */
1026 struct structinit1 {
1027     int f1;
1028     char f2;
1029     short f3;
1030     int farray[3];
1031 };
1032
1033 int sinit1 = 2;
1034 int sinit2 = { 3 };
1035 int sinit3[3] = { 1, 2, {{3}}, };
1036 int sinit4[3][2] = { {1, 2}, {3, 4}, {5, 6} };
1037 int sinit5[3][2] = { 1, 2, 3, 4, 5, 6 };
1038 int sinit6[] = { 1, 2, 3 };
1039 int sinit7[] = { [2] = 3, [0] = 1, 2 };
1040 char sinit8[] = "hello" "trala";
1041
1042 struct structinit1 sinit9 = { 1, 2, 3 };
1043 struct structinit1 sinit10 = { .f2 = 2, 3, .f1 = 1 };
1044 struct structinit1 sinit11 = { .f2 = 2, 3, .f1 = 1,
1045 #ifdef ALL_ISOC99
1046                                .farray[0] = 10,
1047                                .farray[1] = 11,
1048                                .farray[2] = 12,
1049 #endif
1050 };
1051
1052 char *sinit12 = "hello world";
1053 char *sinit13[] = {
1054     "test1",
1055     "test2",
1056     "test3",
1057 };
1058 char sinit14[10] = { "abc" };
1059 int sinit15[3] = { sizeof(sinit15), 1, 2 };
1060
1061 struct { int a[3], b; } sinit16[] = { { 1 }, 2 };
1062
1063 struct bar {
1064         char *s;
1065         int len;
1066 } sinit17[] = {
1067         "a1", 4,
1068         "a2", 1
1069 };
1070
1071 void init_test(void)
1072 {
1073     int linit1 = 2;
1074     int linit2 = { 3 };
1075     int linit4[3][2] = { {1, 2}, {3, 4}, {5, 6} };
1076     int linit6[] = { 1, 2, 3 };
1077     int i, j;
1078     char linit8[] = "hello" "trala";
1079     int linit12[10] = { 1, 2 };
1080     int linit13[10] = { 1, 2, [7] = 3, [3] = 4, };
1081     char linit14[10] = "abc";
1082     int linit15[10] = { linit1, linit1 + 1, [6] = linit1 + 2, };
1083     struct linit16 { int a1, a2, a3, a4; } linit16 = { 1, .a3 = 2 };
1084     int linit17 = sizeof(linit17);
1085
1086     printf("init_test:\n");
1087
1088     printf("sinit1=%d\n", sinit1);
1089     printf("sinit2=%d\n", sinit2);
1090     printf("sinit3=%d %d %d %d\n",
1091            sizeof(sinit3),
1092            sinit3[0],
1093            sinit3[1],
1094            sinit3[2]
1095            );
1096     printf("sinit6=%d\n", sizeof(sinit6));
1097     printf("sinit7=%d %d %d %d\n",
1098            sizeof(sinit7),
1099            sinit7[0],
1100            sinit7[1],
1101            sinit7[2]
1102            );
1103     printf("sinit8=%s\n", sinit8);
1104     printf("sinit9=%d %d %d\n",
1105            sinit9.f1,
1106            sinit9.f2,
1107            sinit9.f3
1108            );
1109     printf("sinit10=%d %d %d\n",
1110            sinit10.f1,
1111            sinit10.f2,
1112            sinit10.f3
1113            );
1114     printf("sinit11=%d %d %d %d %d %d\n",
1115            sinit11.f1,
1116            sinit11.f2,
1117            sinit11.f3,
1118            sinit11.farray[0],
1119            sinit11.farray[1],
1120            sinit11.farray[2]
1121            );
1122
1123     for(i=0;i<3;i++)
1124         for(j=0;j<2;j++)
1125             printf("[%d][%d] = %d %d %d\n",
1126                    i, j, sinit4[i][j], sinit5[i][j], linit4[i][j]);
1127     printf("linit1=%d\n", linit1);
1128     printf("linit2=%d\n", linit2);
1129     printf("linit6=%d\n", sizeof(linit6));
1130     printf("linit8=%d %s\n", sizeof(linit8), linit8);
1131
1132     printf("sinit12=%s\n", sinit12);
1133     printf("sinit13=%d %s %s %s\n",
1134            sizeof(sinit13),
1135            sinit13[0],
1136            sinit13[1],
1137            sinit13[2]);
1138     printf("sinit14=%s\n", sinit14);
1139
1140     for(i=0;i<10;i++) printf(" %d", linit12[i]);
1141     printf("\n");
1142     for(i=0;i<10;i++) printf(" %d", linit13[i]);
1143     printf("\n");
1144     for(i=0;i<10;i++) printf(" %d", linit14[i]);
1145     printf("\n");
1146     for(i=0;i<10;i++) printf(" %d", linit15[i]);
1147     printf("\n");
1148     printf("%d %d %d %d\n",
1149            linit16.a1,
1150            linit16.a2,
1151            linit16.a3,
1152            linit16.a4);
1153     /* test that initialisation is done after variable declare */
1154     printf("linit17=%d\n", linit17);
1155     printf("sinit15=%d\n", sinit15[0]);
1156     printf("sinit16=%d %d\n", sinit16[0].a[0], sinit16[1].a[0]);
1157     printf("sinit17=%s %d %s %d\n",
1158            sinit17[0].s, sinit17[0].len,
1159            sinit17[1].s, sinit17[1].len);
1160 }
1161
1162 void switch_test()
1163 {
1164     int i;
1165
1166     for(i=0;i<15;i++) {
1167         switch(i) {
1168         case 0:
1169         case 1:
1170             printf("a");
1171             break;
1172         default:
1173             printf("%d", i);
1174             break;
1175         case 8 ... 12:
1176             printf("c");
1177             break;
1178         case 3:
1179             printf("b");
1180             break;
1181         }
1182     }
1183     printf("\n");
1184 }
1185
1186 /* ISOC99 _Bool type */
1187 void c99_bool_test(void)
1188 {
1189 #ifdef BOOL_ISOC99
1190     int a;
1191     _Bool b;
1192
1193     printf("bool_test:\n");
1194     printf("sizeof(_Bool) = %d\n", sizeof(_Bool));
1195     a = 3;
1196     printf("cast: %d %d %d\n", (_Bool)10, (_Bool)0, (_Bool)a);
1197     b = 3;
1198     printf("b = %d\n", b);
1199     b++;
1200     printf("b = %d\n", b);
1201 #endif
1202 }
1203
1204 void bitfield_test(void)
1205 {
1206     int a;
1207     struct sbf1 {
1208         int f1 : 3;
1209         int : 2;
1210         int f2 : 1;
1211         int : 0;
1212         int f3 : 5;
1213         int f4 : 7;
1214         unsigned int f5 : 7;
1215     } st1;
1216     printf("bitfield_test:");
1217     printf("sizeof(st1) = %d\n", sizeof(st1));
1218
1219     st1.f1 = 3;
1220     st1.f2 = 1;
1221     st1.f3 = 15;
1222     a = 120;
1223     st1.f4 = a;
1224     st1.f5 = a;
1225     st1.f5++;
1226     printf("%d %d %d %d %d\n",
1227            st1.f1, st1.f2, st1.f3, st1.f4, st1.f5);
1228 }
1229
1230 #define FTEST(prefix, type, fmt)\
1231 void prefix ## cmp(type a, type b)\
1232 {\
1233     printf("%d %d %d %d %d %d\n",\
1234            a == b,\
1235            a != b,\
1236            a < b,\
1237            a > b,\
1238            a >= b,\
1239            a <= b);\
1240     printf(fmt " " fmt " " fmt " " fmt " " fmt " " fmt " " fmt "\n",\
1241            a,\
1242            b,\
1243            a + b,\
1244            a - b,\
1245            a * b,\
1246            a / b,\
1247            -a);\
1248     printf(fmt "\n", ++a);\
1249     printf(fmt "\n", a++);\
1250     printf(fmt "\n", a);\
1251 }\
1252 void prefix ## fcast(type a)\
1253 {\
1254     float fa;\
1255     double da;\
1256     long double la;\
1257     int ia;\
1258     unsigned int ua;\
1259     type b;\
1260     fa = a;\
1261     da = a;\
1262     la = a;\
1263     printf("ftof: %f %f %Lf\n", fa, da, la);\
1264     ia = (int)a;\
1265     ua = (unsigned int)a;\
1266     printf("ftoi: %d %u\n", ia, ua);\
1267     ia = -1234;\
1268     ua = 0x81234500;\
1269     b = ia;\
1270     printf("itof: " fmt "\n", b);\
1271     b = ua;\
1272     printf("utof: " fmt "\n", b);\
1273 }\
1274 \
1275 void prefix ## test(void)\
1276 {\
1277     printf("testing '%s'\n", #type);\
1278     prefix ## cmp(1, 2.5);\
1279     prefix ## cmp(2, 1.5);\
1280     prefix ## cmp(1, 1);\
1281     prefix ## fcast(234.6);\
1282     prefix ## fcast(-2334.6);\
1283 }
1284
1285 FTEST(f, float, "%f")
1286 FTEST(d, double, "%f")
1287 FTEST(ld, long double, "%Lf")
1288
1289 double ftab1[3] = { 1.2, 3.4, -5.6 };
1290
1291
1292 void float_test(void)
1293 {
1294     float fa, fb;
1295     double da, db;
1296     int a;
1297     unsigned int b;
1298
1299     printf("float_test:\n");
1300     printf("sizeof(float) = %d\n", sizeof(float));
1301     printf("sizeof(double) = %d\n", sizeof(double));
1302     printf("sizeof(long double) = %d\n", sizeof(long double));
1303     ftest();
1304     dtest();
1305     ldtest();
1306     printf("%f %f %f\n", ftab1[0], ftab1[1], ftab1[2]);
1307     printf("%f %f %f\n", 2.12, .5, 2.3e10);
1308     //    printf("%f %f %f\n", 0x1234p12, 0x1e23.23p10, 0x12dp-10);
1309     da = 123;
1310     printf("da=%f\n", da);
1311     fa = 123;
1312     printf("fa=%f\n", fa);
1313     a = 4000000000;
1314     da = a;
1315     printf("da = %f\n", da);
1316     b = 4000000000;
1317     db = b;
1318     printf("db = %f\n", db);
1319 }
1320
1321 int fib(int n)
1322 {
1323     if (n <= 2)
1324         return 1;
1325     else
1326         return fib(n-1) + fib(n-2);
1327 }
1328
1329 void funcptr_test()
1330 {
1331     void (*func)(int);
1332     int a;
1333     struct {
1334         int dummy;
1335         void (*func)(int);
1336     } st1;
1337
1338     printf("funcptr:\n");
1339     func = &num;
1340     (*func)(12345);
1341     func = num;
1342     a = 1;
1343     a = 1;
1344     func(12345);
1345     /* more complicated pointer computation */
1346     st1.func = num;
1347     st1.func(12346);
1348     printf("sizeof1 = %d\n", sizeof(funcptr_test));
1349     printf("sizeof2 = %d\n", sizeof funcptr_test);
1350     printf("sizeof3 = %d\n", sizeof(&funcptr_test));
1351     printf("sizeof4 = %d\n", sizeof &funcptr_test);
1352 }
1353
1354 void lloptest(long long a, long long b)
1355 {
1356     unsigned long long ua, ub;
1357
1358     ua = a;
1359     ub = b;
1360     /* arith */
1361     printf("arith: %Ld %Ld %Ld\n",
1362            a + b,
1363            a - b,
1364            a * b);
1365
1366     if (b != 0) {
1367         printf("arith1: %Ld %Ld\n",
1368            a / b,
1369            a % b);
1370     }
1371
1372     /* binary */
1373     printf("bin: %Ld %Ld %Ld\n",
1374            a & b,
1375            a | b,
1376            a ^ b);
1377
1378     /* tests */
1379     printf("test: %d %d %d %d %d %d\n",
1380            a == b,
1381            a != b,
1382            a < b,
1383            a > b,
1384            a >= b,
1385            a <= b);
1386
1387     printf("utest: %d %d %d %d %d %d\n",
1388            ua == ub,
1389            ua != ub,
1390            ua < ub,
1391            ua > ub,
1392            ua >= ub,
1393            ua <= ub);
1394
1395     /* arith2 */
1396     a++;
1397     b++;
1398     printf("arith2: %Ld %Ld\n", a, b);
1399     printf("arith2: %Ld %Ld\n", a++, b++);
1400     printf("arith2: %Ld %Ld\n", --a, --b);
1401     printf("arith2: %Ld %Ld\n", a, b);
1402 }
1403
1404 void llshift(long long a, int b)
1405 {
1406     printf("shift: %Ld %Ld %Ld\n",
1407            (unsigned long long)a >> b,
1408            a >> b,
1409            a << b);
1410     printf("shiftc: %Ld %Ld %Ld\n",
1411            (unsigned long long)a >> 3,
1412            a >> 3,
1413            a << 3);
1414     printf("shiftc: %Ld %Ld %Ld\n",
1415            (unsigned long long)a >> 35,
1416            a >> 35,
1417            a << 35);
1418 }
1419
1420 void llfloat(void)
1421 {
1422     float fa;
1423     double da;
1424     long double lda;
1425     long long la, lb, lc;
1426     unsigned long long ula, ulb, ulc;
1427     la = 0x12345678;
1428     ula = 0x72345678;
1429     la = (la << 20) | 0x12345;
1430     ula = ula << 33;
1431     printf("la=%Ld ula=%Lu\n", la, ula);
1432
1433     fa = la;
1434     da = la;
1435     lda = la;
1436     printf("lltof: %f %f %Lf\n", fa, da, lda);
1437
1438     la = fa;
1439     lb = da;
1440     lc = lda;
1441     printf("ftoll: %Ld %Ld %Ld\n", la, lb, lc);
1442
1443     fa = ula;
1444     da = ula;
1445     lda = ula;
1446     printf("ulltof: %f %f %Lf\n", fa, da, lda);
1447
1448     ula = fa;
1449     ulb = da;
1450     ulc = lda;
1451     printf("ftoull: %Lu %Lu %Lu\n", ula, ulb, ulc);
1452 }
1453
1454 long long llfunc1(int a)
1455 {
1456     return a * 2;
1457 }
1458
1459 struct S {
1460     int id;
1461     char item;
1462 };
1463
1464 long long int value(struct S *v)
1465 {
1466     return ((long long int)v->item);
1467 }
1468
1469 void longlong_test(void)
1470 {
1471     long long a, b, c;
1472     int ia;
1473     unsigned int ua;
1474     printf("longlong_test:\n");
1475     printf("sizeof(long long) = %d\n", sizeof(long long));
1476     ia = -1;
1477     ua = -2;
1478     a = ia;
1479     b = ua;
1480     printf("%Ld %Ld\n", a, b);
1481     printf("%Ld %Ld %Ld %Lx\n",
1482            (long long)1,
1483            (long long)-2,
1484            1LL,
1485            0x1234567812345679);
1486     a = llfunc1(-3);
1487     printf("%Ld\n", a);
1488
1489     lloptest(1000, 23);
1490     lloptest(0xff, 0x1234);
1491     b = 0x72345678 << 10;
1492     lloptest(-3, b);
1493     llshift(0x123, 5);
1494     llshift(-23, 5);
1495     b = 0x72345678LL << 10;
1496     llshift(b, 47);
1497
1498     llfloat();
1499 #if 1
1500     b = 0x12345678;
1501     a = -1;
1502     c = a + b;
1503     printf("%Lx\n", c);
1504 #endif
1505
1506     /* long long reg spill test */
1507     {
1508           struct S a;
1509
1510           a.item = 3;
1511           printf("%lld\n", value(&a));
1512     }
1513     lloptest(0x80000000, 0);
1514 }
1515
1516 void vprintf1(const char *fmt, ...)
1517 {
1518     va_list ap;
1519     const char *p;
1520     int c, i;
1521     double d;
1522     long long ll;
1523
1524     va_start(ap, fmt);
1525
1526     p = fmt;
1527     for(;;) {
1528         c = *p;
1529         if (c == '\0')
1530             break;
1531         p++;
1532         if (c == '%') {
1533             c = *p;
1534             switch(c) {
1535             case '\0':
1536                 goto the_end;
1537             case 'd':
1538                 i = va_arg(ap, int);
1539                 printf("%d", i);
1540                 break;
1541             case 'f':
1542                 d = va_arg(ap, double);
1543                 printf("%f", d);
1544                 break;
1545             case 'l':
1546                 ll = va_arg(ap, long long);
1547                 printf("%Ld", ll);
1548                 break;
1549             }
1550             p++;
1551         } else {
1552             putchar(c);
1553         }
1554     }
1555  the_end:
1556     va_end(ap);
1557 }
1558
1559
1560 void stdarg_test(void)
1561 {
1562     vprintf1("%d %d %d\n", 1, 2, 3);
1563     vprintf1("%f %d %f\n", 1.0, 2, 3.0);
1564     vprintf1("%l %l %d %f\n", 1234567891234LL, 987654321986LL, 3, 1234.0);
1565 }
1566
1567 void whitespace_test(void)
1568 {
1569     char *str;
1570
1571 \f\v
#if 1
1572     pri\
1573 ntf("whitspace:\n");\f\v
1574 #endif
1575     pf("N=%d\n", 2);
1576     pri\
1577 ntf("aaa=%d\n", 3);
1578
1579     pri\
1580 \
1581 ntf("min=%d\n", 4);
1582     printf("len1=%d\n", strlen("
1583 "));
1584     str = "
1585 ";
1586     printf("len1=%d str[0]=%d\n", strlen(str), str[0]);
1587     printf("len1=%d\n", strlen("
a
1588 "));
1589 }
1590
1591 int reltab[3] = { 1, 2, 3 };
1592
1593 int *rel1 = &reltab[1];
1594 int *rel2 = &reltab[2];
1595
1596 void relocation_test(void)
1597 {
1598     printf("*rel1=%d\n", *rel1);
1599     printf("*rel2=%d\n", *rel2);
1600 }
1601
1602 void old_style_f(a,b,c)
1603      int a, b;
1604      double c;
1605 {
1606     printf("a=%d b=%d b=%f\n", a, b, c);
1607 }
1608
1609 void old_style_function(void)
1610 {
1611     old_style_f((void *)1, 2, 3.0);
1612 }
1613
1614 void sizeof_test(void)
1615 {
1616     int a;
1617     int **ptr;
1618
1619     printf("sizeof(int) = %d\n", sizeof(int));
1620     printf("sizeof(unsigned int) = %d\n", sizeof(unsigned int));
1621     printf("sizeof(short) = %d\n", sizeof(short));
1622     printf("sizeof(unsigned short) = %d\n", sizeof(unsigned short));
1623     printf("sizeof(char) = %d\n", sizeof(char));
1624     printf("sizeof(unsigned char) = %d\n", sizeof(unsigned char));
1625     printf("sizeof(func) = %d\n", sizeof sizeof_test());
1626     a = 1;
1627     printf("sizeof(a++) = %d\n", sizeof a++);
1628     printf("a=%d\n", a);
1629     ptr = NULL;
1630     printf("sizeof(**ptr) = %d\n", sizeof (**ptr));
1631
1632     /* some alignof tests */
1633     printf("__alignof__(int) = %d\n", __alignof__(int));
1634     printf("__alignof__(unsigned int) = %d\n", __alignof__(unsigned int));
1635     printf("__alignof__(short) = %d\n", __alignof__(short));
1636     printf("__alignof__(unsigned short) = %d\n", __alignof__(unsigned short));
1637     printf("__alignof__(char) = %d\n", __alignof__(char));
1638     printf("__alignof__(unsigned char) = %d\n", __alignof__(unsigned char));
1639     printf("__alignof__(func) = %d\n", __alignof__ sizeof_test());
1640 }
1641
1642 void typeof_test(void)
1643 {
1644     double a;
1645     typeof(a) b;
1646     typeof(float) c;
1647
1648     a = 1.5;
1649     b = 2.5;
1650     c = 3.5;
1651     printf("a=%f b=%f c=%f\n", a, b, c);
1652 }