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

Summary

#include <ctype.h>

int isupper(int c);    Test for upper case letter ('A'-'Z')


Parameter

c    Integer to be tested


Description

This function tests the integer passed to it to see if it is an upper case letter: 'A'-'Z'.

The ASCII character set is assumed.


Return Value

TRUE (1) is returned if the character is upper case, otherwise FALSE (0) is returned.