Просмотр исходного текста страницы C/ctype.h/tolower

==tolower: returns the lowercase equivalent of ch if ch is a letter or ch is returned unchanged==


   
<source lang="cpp">
    

//Declaration:  int tolower(int ch); 
//Function:     returns 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*/ 
           
       </source>