old-autovect-branch/libmudflap/testsuite/libmudflap.c/pass52-frag.c

   1 #include <stdio.h>
   2
   3
   4 void writestuff (FILE *f)
   5 {
   6   fprintf (f, "hello world\n");
   7   fputc ('y', f);
   8   putc ('e', f);
   9 }
  10
  11 void readstuff (FILE *f)
  12 {
  13   int c, d;
  14   char stuff[100], *s;
  15   c = fgetc (f);
  16   ungetc (c, f);
  17   d = fgetc (f);
  18   s = fgets (stuff, sizeof(stuff), f);
  19 }
  20
  21 int main ()
  22 {
  23   FILE *f;
  24   writestuff (stdout);
  25   writestuff (stderr);
  26   f = fopen ("/dev/null", "w");
  27   writestuff (f);
  28   fclose (f);
  29   f = fopen ("/dev/zero", "r");
  30   readstuff (f);
  31   f = freopen ("/dev/null", "w", f);
  32   writestuff (f);
  33   fclose (f);
  34
  35   return 0;
  36 }