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