ft_strchr: initial implementation

Makefile

@@ -6,7 +6,7 @@
 #    By: kcolin <marvin@42.fr>                      +#+  +:+       +#+         #
 #                                                 +#+#+#+#+#+   +#+            #
 #    Created: 2024/10/14 13:43:59 by kcolin            #+#    #+#              #
-#    Updated: 2024/10/16 10:30:28 by kcolin           ###   ########.fr        #
+#    Updated: 2024/10/16 10:46:03 by kcolin           ###   ########.fr        #
 #                                                                              #
 # **************************************************************************** #
 
@@ -25,7 +25,8 @@ SOURCES = ft_isalpha.c \
 	ft_strlcpy.c \
 	ft_strlcat.c \
 	ft_toupper.c \
-	ft_tolower.c
+	ft_tolower.c \
+	ft_strchr.c
 OBJECTS = $(SOURCES:.c=.o)
 CC = gcc
 

ft_strchr.c

@@ -0,0 +1,44 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_strchr.c                                        :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: kcolin <marvin@42.fr>                      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2024/10/16 10:34:23 by kcolin            #+#    #+#             */
+/*   Updated: 2024/10/16 10:42:16 by kcolin           ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+char	*ft_strchr(const char *s, int c)
+{
+	int	i;
+
+	i = 0;
+	while (s[i] != '\0')
+	{
+		if (s[i] == c)
+			return ((char *)s + i);
+		i++;
+	}
+	return (0);
+}
+
+/*
+#include <stdio.h>
+
+int	main(int argc, char **argv)
+{
+	char	*result;
+
+	if (argc > 2)
+	{
+		result = ft_strchr(argv[1], argv[2][0]);
+		if (result == 0)
+			printf("(null)\n");
+		else
+			printf("%s\n", result);
+	}
+	return (0);
+}
+*/

libft.h

@@ -6,7 +6,7 @@
 /*   By: kcolin <marvin@42.fr>                      +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2024/10/15 10:11:54 by kcolin            #+#    #+#             */
-/*   Updated: 2024/10/16 10:24:26 by kcolin           ###   ########.fr       */
+/*   Updated: 2024/10/16 10:34:08 by kcolin           ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -33,4 +33,6 @@ t_size	ft_strlcat(char *dst, const char *src, t_size size);
 int		ft_toupper(int c);
 int		ft_tolower(int c);
 
+char	*ft_strchr(const char *s, int c);
+
 #endif