#include "libft.h"
/*
* ft_tolower() function that converts an uppercase letter to lowercase.
* Returns the lowercase equivalent of the input character 'c',
* or the character itself if 'c' is not an uppercase letter.
*/
int ft_tolower(int c)
{
if (c >= 'A' && c <= 'Z')
c += 'a' - 'A';
return (c);
}