NAME
ispunct —
punctuation character
test
LIBRARY
Standard C Library (libc, -lc)
SYNOPSIS
#include <ctype.h>
int
ispunct(
int
c);
DESCRIPTION
The
ispunct() function tests for any printing character except
space (' ') or a character for which
isalnum(3) is true.
RETURN VALUES
The
ispunct() function returns zero if the character tests
false and returns non-zero if the character tests true.
SEE ALSO
ctype(3),
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)
STANDARDS
The
ispunct() function conforms to
ANSI
X3.159-1989 (“ANSI C89”).
CAVEATS
The argument to
ispunct() must be
EOF
or representable as an
unsigned char; otherwise, the
behavior is undefined. See the
CAVEATS
section of
ctype(3) for more
details.