NAME
ispunct
- punctuation character test
LIBRARY
Standard C Library (libc, -lc)
SYNOPSIS
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
otherwise, the behavior is undefined.
See the
CAVEATS
section of
ctype(3)
for more details.