isgraph - printing character test (space character exclusive)
#include <ctype.h>
int
isgraph(int c);
The isgraph() function tests for any printing character except space
(` ').
The isgraph() macro returns zero if the character tests
false or non-zero
if the character tests true.
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)
The isgraph() function conforms to ANSI X3.159-1989 (``ANSI
C'').
The argument to isgraph() must be EOF or representable as an
unsigned
char; otherwise, the result is undefined.
OpenBSD 3.6 June 29, 1991
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