int toupper(int c);
#include "libft.h"
int		ft_toupper(int c)
{
	if ('a' <= c && c <= 'z')
		return (c - 32);
	return (c);
}
#include <stdio.h>
//#include <ctype.h>
int main(void)
{
	char ch1 = 'a';
	char ch2 = 'B';
	printf("%c\n", ft_toupper(ch1));
	printf("%c\n", ft_toupper(ch2));
	return 0;
}
