/* Libft Copyright (C) 2026 yctct This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ #include "libft.h" int ft_isalpha(int c) { if ((c >= 65 && c <= 90) || (c >= 97 && c <= 122)) return (1); return (0); } /* int main(void) { printf("ft_isalpha: %d, %d\n", ft_isalpha(0), 0); printf(" isalpha: %d, %d\n", isalpha(0), 0); printf("\n"); printf("ft_isalpha: %d, %d\n", ft_isalpha(64), 64); printf(" isalpha: %d, %d\n", isalpha(64), 64); printf("\n"); printf("ft_isalpha: %d, %d\n", ft_isalpha(65), 65); printf(" isalpha: %d, %d\n", isalpha(65), 65); printf("\n"); printf("ft_isalpha: %d, %d\n", ft_isalpha(90), 90); printf(" isalpha: %d, %d\n", isalpha(90), 90); printf("\n"); printf("ft_isalpha: %d, %d\n", ft_isalpha(91), 91); printf(" isalpha: %d, %d\n", isalpha(91), 91); printf("\n"); printf("ft_isalpha: %d, %d\n", ft_isalpha(96), 96); printf(" isalpha: %d, %d\n", isalpha(96), 96); printf("\n"); printf("ft_isalpha: %d, %d\n", ft_isalpha(97), 97); printf(" isalpha: %d, %d\n", isalpha(97), 97); printf("\n"); printf("ft_isalpha: %d, %d\n", ft_isalpha(122), 122); printf(" isalpha: %d, %d\n", isalpha(122), 122); printf("\n"); printf("ft_isalpha: %d, %d\n", ft_isalpha(123), 123); printf(" isalpha: %d, %d\n", isalpha(123), 123); } */