isdigit.c File Reference

#include "../ctype.h"

Functions
int	isdigit (int c)
	Check if value is digit. More...

Function Documentation

isdigit()

int isdigit

(

int

c

)

Check if value is digit.

The isdigit function tests for any decimal-digit character.

Parameters

c	Value to check.

Returns

1 if true, 0 if false