1 /* Copyright (C) 1991, 1994, 1996 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Library General Public License as
6 published by the Free Software Foundation; either version 2 of the
7 License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Library General Public License for more details.
14 You should have received a copy of the GNU Library General Public
15 License along with the GNU C Library; see the file COPYING.LIB. If
16 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
17 Cambridge, MA 02139, USA. */
25 #define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
26 #define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
27 #define XOR(e,f) (((e) && !(f)) || (!(e) && (f)))
33 DEFUN(print_char
, (c
), unsigned char c
)
35 printf("%d/", (int) c
);
39 printf("'\\%.3o'", c
);
43 DEFUN(main
, (argc
, argv
), int argc AND
char **argv
)
45 register unsigned short int c
;
64 for (c
= 0; c
<= UCHAR_MAX
; ++c
)
68 if (XOR (islower (c
), ISLOWER (c
)) || toupper (c
) != TOUPPER (c
))
70 fputs (" BOGUS", stdout
);
74 #define TRY(isfoo) if (isfoo (c)) fputs (" " #isfoo, stdout)
78 fputs("; lower = ", stdout
);
79 print_char(tolower(c
));
80 fputs("; upper = ", stdout
);
81 print_char(toupper(c
));
85 fputs ("EOF", stdout
);
86 if (tolower (EOF
) != EOF
)
89 printf (" tolower BOGUS %d;", tolower (EOF
));
91 if (toupper (EOF
) != EOF
)
94 printf (" toupper BOGUS %d;", toupper (EOF
));
97 #define TRY(isfoo) if (isfoo (EOF)) fputs (" " #isfoo, stdout), ++lose
101 exit (lose
? EXIT_FAILURE
: EXIT_SUCCESS
);