NAME
isprint —
printing character test (space
character inclusive)
LIBRARY
library “libc”
SYNOPSIS
#include
<ctype.h>
int
isprint(int
c);
DESCRIPTION
Theisprint()
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.