printf/libft/ft_isalnum.c
/* checks if input is alpha or number */
checks if input is alpha or number
checks if input is alpha or number
int	ft_isalnum(int c)
{
	if ((c >= 'a' && c <= 'z')
		|| (c >= 'A' && c <= 'Z')
		|| (c >= '0' && c <= '9'))
		return (1);
	return (0);
}
int ft_isalnum ( int c ) { if ( ( c >= ' ' && c <= ' ' ) || ( c >= ' ' && c <= ' ' ) || ( c >= ' ' && c <= ' ' ) ) return ( 1 ) ; return ( 0 ) ; }
checks if input is alpha or number
checks if input is alpha or number