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.