Zilog EZ80F916 - Manual (Page 365)

UM014423-0607 C Standard Library
ZiLOG Developer Studio II
eZ80Acclaim! ® User Manual
345
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);
Example
int r;
char c='1';
r=isprint(c);
ispunct
Tests for any printing character except space (' ') or a character for which isalnum is true.
Synopsis
#include
int ispunct(int c);
Example
int r;
char c='a';
r=ispunct(c);