1 files changed, 45 insertions, 0 deletions
diff --git a/ft_striteri.c b/ft_striteri.c
new file mode 100644
index 0000000..61a02d0
--- /dev/null
+++ b/ft_striteri.c
@@ -0,0 +1,45 @@
+/*
+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"
+
+void	ft_striteri(char *s, void (*f)(unsigned int, char *))
+{
+	int	i;
+
+	i = 0;
+	while (s[i])
+	{
+		f(i, &s[i]);
+		i++;
+	}
+}
+/*
+void	tmp(unsigned int i, char* s)
+{
+	i = 0;
+	*s = ft_toupper(*s);
+}
+
+int	main(void)
+{
+	char	s[] = " abcd";
+
+	ft_striteri(s, tmp);
+	printf("%s\n", s);
+}
+*/