ISPUNCT(3) | Library Functions Manual | ISPUNCT(3) |
ispunct
—
punctuation character test
#include
<ctype.h>
int
ispunct
(int
c);
The
ispunct
()
function tests for any printing character except space
(‘ ’) or a character for which
isalnum(3) is true.
The ispunct
() function returns zero if the
character tests false or non-zero if the character tests true.
isalnum(3), isalpha(3), isascii(3), isblank(3), iscntrl(3), isdigit(3), isgraph(3), islower(3), isprint(3), isspace(3), isupper(3), isxdigit(3), stdio(3), toascii(3), tolower(3), toupper(3), ascii(7)
The ispunct
() function conforms to
ANSI X3.159-1989
(“ANSI C89”).
The ispunct
() function first appeared in
Version 7 AT&T UNIX.
The argument to ispunct
() must be
EOF
or representable as an unsigned
char
; otherwise, the result is undefined.
July 17, 2013 | OpenBSD-6.1 |