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ISPRINT(3) |
Library Functions Manual |
ISPRINT(3) |
NAME
isprint — printing character test (space character inclusive)
LIBRARY
Standard C Library (libc, -lc)
SYNOPSIS
#include <ctype.h>
int
isprint(int c);
DESCRIPTION
The isprint() function tests for any printing character including space (' ').
RETURN VALUES
The isprint() 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),
ispunct(3),
isspace(3),
isupper(3),
isxdigit(3),
stdio(3),
toascii(3),
tolower(3),
toupper(3),
ascii(7)
STANDARDS
The isprint() function conforms to ANSI X3.159-1989 (“ANSI C89”).
CAVEATS
The argument to
isprint() must be
EOF or representable as an
unsigned char; otherwise, the behavior is undefined. See the
CAVEATS section of
ctype(3) for more details.