Zilog EZ80F916 - Manual (Page 364)

UM014423-0607 C Standard Library
ZiLOG Developer Studio II
eZ80Acclaim! ® User Manual
344
Example
int r;
char c='a';
r=isalpha(c);
iscntrl
Tests for any control character.
Synopsis
#include
int iscntrl(int c);
Example
int r;
char c=NULL;
r=iscntrl(c);
isdigit
Tests for any decimal digit.
Synopsis
#include
int isdigit(int c);
Example
int r;
char c='4';
r=isdigit(c);
isgraph
Tests for any printing character except space (' ').
Synopsis
#include
int isgraph(int c);
Example
int r;
char c='';
r=isgraph(c);