toupper : toupper « ctype.h « C Tutorial

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Visual C++ .NET

C Tutorial » ctype.h » toupper

18.14.1.toupper

Item	Value
Header file	ctype.h
Declaration	int toupper(int ch);
Function	returns the uppercase equivalent of ch if ch is a letter or ch is returned unchanged.

#include <ctype.h>

#include <stdio.h>



int main(void){

  putchar(toupper('a'));

}

18.14.toupper
	18.14.1.	toupper

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