isgraph#
Synopsis#
#include <ctype.h>
int isgraph(int c);
Status#
Implemented
Conformance#
IEEE Std 1003.1-2017
Description#
The isgraph()
functions shall test whether c is a character of class graph in the current locale.
The c argument is an int
, the value of which the application shall ensure is a character representable as an
unsigned char
or equal to the value of the macro EOF
. If the argument has any other value, the behavior is
undefined.
Return value#
The isgraph()
function shall return non-zero if c is a character with a visible representation, otherwise shall
return 0
.
Errors#
No errors are defined.
Tests#
Tested
Known bugs#
None