From 861a36d86e7587c043131228cf3a08afd7bc43ad Mon Sep 17 00:00:00 2001 From: yctct Date: Thu, 5 Feb 2026 11:56:49 +0100 Subject: Add files, first commit --- ft_isalnum.c | 86 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 86 insertions(+) create mode 100644 ft_isalnum.c (limited to 'ft_isalnum.c') diff --git a/ft_isalnum.c b/ft_isalnum.c new file mode 100644 index 0000000..bd2a81d --- /dev/null +++ b/ft_isalnum.c @@ -0,0 +1,86 @@ +/* +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_isalnum(int c) +{ + if (ft_isalpha(c) || ft_isdigit(c)) + return (1); + return (0); +} + +/* +int main(void) +{ + printf(" for: NULL (0)\n"); + printf("ft_isalnum: %d\n", ft_isalnum(0)); + printf(" isalnum: %d\n", isalnum(0)); + printf("\n"); + printf(" for: / (47)\n"); + printf("ft_isalnum: %d\n", ft_isalnum(47)); + printf(" isalnum: %d\n", isalnum(47)); + printf("\n"); + printf(" for: 0 (48)\n"); + printf("ft_isalnum: %d\n", ft_isalnum(48)); + printf(" isalnum: %d\n", isalnum(48)); + printf("\n"); + printf(" for: 9 (57)\n"); + printf("ft_isalnum: %d\n", ft_isalnum(57)); + printf(" isalnum: %d\n", isalnum(57)); + printf("\n"); + printf(" for: : (58)\n"); + printf("ft_isalnum: %d\n", ft_isalnum(58)); + printf(" isalnum: %d\n", isalnum(58)); + printf("\n"); + printf(" for: @ (64)\n"); + printf("ft_isalnum: %d\n", ft_isalnum(64)); + printf(" isalnum: %d\n", isalnum(64)); + printf("\n"); + printf(" for: A (65)\n"); + printf("ft_isalnum: %d\n", ft_isalnum(65)); + printf(" isalnum: %d\n", isalnum(65)); + printf("\n"); + printf(" for: Z (90)\n"); + printf("ft_isalnum: %d\n", ft_isalnum(90)); + printf(" isalnum: %d\n", isalnum(90)); + printf("\n"); + printf(" for: [ (91)\n"); + printf("ft_isalnum: %d\n", ft_isalnum(91)); + printf(" isalnum: %d\n", isalnum(91)); + printf("\n"); + printf(" for: ` (96)\n"); + printf("ft_isalnum: %d\n", ft_isalnum(96)); + printf(" isalnum: %d\n", isalnum(96)); + printf("\n"); + printf(" for: a (97)\n"); + printf("ft_isalnum: %d\n", ft_isalnum(97)); + printf(" isalnum: %d\n", isalnum(97)); + printf("\n"); + printf(" for: z (122)\n"); + printf("ft_isalnum: %d\n", ft_isalnum(122)); + printf(" isalnum: %d\n", isalnum(122)); + printf("\n"); + printf(" for: } (123)\n"); + printf("ft_isalnum: %d\n", ft_isalnum(123)); + printf(" isalnum: %d\n", isalnum(123)); + printf("\n"); + printf(" for: DEL (127)\n"); + printf("ft_isalnum: %d\n", ft_isalnum(127)); + printf(" isalnum: %d\n", isalnum(127)); +} +*/ -- cgit v1.2.3