tolower : tolower « ctype.h « C Tutorial

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C Tutorial » ctype.h » tolower 
18.13.1.tolower
ItemValue
Header filectype.h
Declarationint tolower(int ch);
Functionreturns the lowercase equivalent of ch if ch is a letter or ch is returned unchanged.


#include <ctype.h>
#include <stdio.h>

int main(void){

  putchar(tolower('Q'));

}
 
q
18.13.tolower
18.13.1.tolower
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