Example program for tolower() function in C

 Well as it's name says tolower() function in C programming is used to converts a uppercase alphabet to an lowercase alphabet.

Syntax for tolower() in C :-

int tolower(int ch);

Parameter:  tolower() in C use only one parameter "ch" which is a passed character to be converted to lowercase.

Return Value: this function return converted lowercase character.

Example program for tolower() function in C

 

// C program to demonstrate

// example of tolower() function.

  

#include <ctype.h>

#include <stdio.h>

  

int main()

{

  

    // Character to be converted to lowercase

    char ch = 'G';

  

    // convert ch to lowercase using toLower()

    printf("%c in lowercase is represented as = %c", ch, tolower(ch));

  

    return 0;

}

OUTPUT :- 

 tolower() function in C