Zilog Z8F0130 - Manual (Page 467)

UM013037-1212 isgraph
Zilog Developer Studio II – Z8 Encore!
User Manual
443
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);
islower
Tests for any lowercase letter 'a' to 'z'.
Synopsis
#include

int islower(int c);
Example
int r;

char c='a';

r=islower(c);
isprint
Tests for any printing character including space (' ').
Synopsis
#include

int isprint(int c);