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C COMPILER LIBRARY FUNCTIONS->Detailed Descriptions->iscntrl()

Summary

#include <ctype.h>

    
int iscntrl(int c);Test for Control character (0X00 - 0X1F or 0X7F)

Parameter

c    Integer to be tested


Description

This function tests the integer passed to it to see if it is a control character:
0X00 - 0X1F or 0X7F.


Return Value

TRUE (1) is returned if the character is a control character, otherwise FALSE (0) is returned.