diff options
Diffstat (limited to 'ft_isalpha.c')
| -rw-r--r-- | ft_isalpha.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/ft_isalpha.c b/ft_isalpha.c new file mode 100644 index 0000000..14209d4 --- /dev/null +++ b/ft_isalpha.c @@ -0,0 +1,56 @@ +/* +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 <https://www.gnu.org/licenses/>. +*/ + +#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); +} +*/ |