c06

ex00

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_print_program_name.c                            :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: minjeoki <minjeoki@student.42seoul.kr>     +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2021/03/04 15:29:22 by minjeoki          #+#    #+#             */
/*   Updated: 2021/03/04 15:29:22 by minjeoki         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include <io.h>
#include <stdio.h>

void	ft_putchar(char c)
{
	write(1, &c, 1);
}
int main(int argc, char *argv[])
{
        int i;

		i = 0;
		while (argv[0][i]  !='\0' && argc)
		{
			ft_putchar(argv[0][i]);
			i++;
		}
		ft_putchar('\n');
		return (0);
}

argv[0][i]문자열이 아니라 문자..를 넣어야 하기 때문에..

 

ex01

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_print_params.c                                  :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: minjeoki <minjeoki@student.42seoul.kr>     +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2021/03/04 15:57:32 by minjeoki          #+#    #+#             */
/*   Updated: 2021/03/04 15:57:32 by minjeoki         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include <io.h>

void	ft_putchar(char c)
{
	write(1, &c, 1);
}

int		main(int argc, char *argv[])
{
	int i;
	int j;

	i = 1;
	while (i < argc)
	{
		j = 0;
		while (argv[i][j] != '\0')
		{
			ft_putchar(argv[i][j]);
			j++;
		}
		ft_putchar('\n');
		i++;
	}
	return (0);
}

ex02

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_rev_params.c                                    :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: minjeoki <minjeoki@student.42seoul.kr>     +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2021/03/04 16:31:11 by minjeoki          #+#    #+#             */
/*   Updated: 2021/03/04 16:31:11 by minjeoki         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include <io.h>

void	ft_putchar(char c)
{
	write(1, &c, 1);
}

int		main(int argc, char *argv[])
{
	int i;
	int j;

	i = argc-1;
	while (i > 0)
	{
		j = 0;
		while (argv[i][j] != '\0')
		{
			ft_putchar(argv[i][j]);
			j++;
		}
		ft_putchar('\n');
		i--;
	}
	return (0);
}

ex03