/* 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_isdigit(int c) { if (c >= 48 && c <= 57) return (1); return (0); } /* int main(void) { printf("ft_isdigit: %d, %d\n", ft_isdigit(0), 0); printf(" isdigit: %d, %d\n", isdigit(0), 0); printf("\n"); printf("ft_isdigit: %d, %d\n", ft_isdigit(47), 47); printf(" isdigit: %d, %d\n", isdigit(47), 47); printf("\n"); printf("ft_isdigit: %d, %d\n", ft_isdigit(48), 48); printf(" isdigit: %d, %d\n", isdigit(48), 48); printf("\n"); printf("ft_isdigit: %d, %d\n", ft_isdigit(57), 57); printf(" isdigit: %d, %d\n", isdigit(57), 57); printf("\n"); printf("ft_isdigit: %d, %d\n", ft_isdigit(58), 58); printf(" isdigit: %d, %d\n", isdigit(58), 58); printf("\n"); printf("ft_isdigit: %d, %d\n", ft_isdigit(127), 127); printf(" isdigit: %d, %d\n", isdigit(127), 127); } */