NAME
isgraph —
printing character test (space
character exclusive)
SYNOPSIS
#include
<ctype.h>
int
isgraph(int
c);
DESCRIPTION
The
isgraph()
function tests for any printing character except space
(‘ ’).
RETURN VALUES
The isgraph() function returns zero if the
character tests false or non-zero if the character tests true.
SEE ALSO
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 result is undefined.