Add files, first commit

1 files changed, 55 insertions, 0 deletions

diff --git a/ft_toupper.c b/ft_toupper.c
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--- /dev/null
+++ b/ft_toupper.c
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+/*
+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"
+
+char	ft_toupper(int c)
+{
+	if ((c >= 97) && (c <= 122))
+		c -= 32;
+	return (c);
+}
+/*
+int	main(void)
+{
+	int	i;
+	int	j;
+	int	k;
+	int	l;
+
+	i = 96;
+	j = 97;
+	k = 122;
+	l = 123;
+	printf("-----------------\n");
+	printf("for 96 ascii i.e. backtick\n");
+	printf("%i\n", ft_toupper(i));
+	printf("%i\n", toupper(i));
+	printf("-----------------\n");
+	printf("for 97 ascii i.e. 'a'\n");
+	printf("%i\n", ft_toupper(j));
+	printf("%i\n", toupper(j));
+	printf("-----------------\n");
+	printf("for 122 ascii i.e. 'z'\n");
+	printf("%i\n", ft_toupper(k));
+	printf("%i\n", toupper(k));
+	printf("-----------------\n");
+	printf("for 123 ascii i.e. '{'\n");
+	printf("%i\n", ft_toupper(l));
+	printf("%i\n", toupper(l));
+}
+*/