ft_strchr.c - chanhl22/libft GitHub Wiki

  1 /* ************************************************************************** */          
  2 /*                                                                            */
  3 /*                                                        :::      ::::::::   */
  4 /*   ft_strchr.c                                        :+:      :+:    :+:   */
  5 /*                                                    +:+ +:+         +:+     */
  6 /*   By: chanhlee <[email protected].>       +#+  +:+       +#+        */
  7 /*                                                +#+#+#+#+#+   +#+           */
  8 /*   Created: 2021/01/18 13:14:20 by chanhlee          #+#    #+#             */
  9 /*   Updated: 2021/01/18 13:18:54 by chanhlee         ###   ########.fr       */
 10 /*                                                                            */
 11 /* ************************************************************************** */
 12 
 13 char    *ft_strchr(const char *str, int c)
 14 {
 15     int i;
 16 
 17     i = 0;
 18     while (str[i] != '\0' && s[i] != (char)c)  //찾을 스트링이 null이 아니거나 동일한 문자가 아니면 i++;
 19         i++;
 20     if (str[i] == (char)c)  //동일한 문자라면 리턴
 21         return ((char*)(s + i));
 22     return (NULL); //없으면 null
 23 }