libft/srcs/ft_isalnum.c at main · abdeleb/libft · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_isalnum.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: marvin <marvin@42.fr>                      +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2022/05/19 18:01:20 by marvin            #+#    #+#             */
/*   Updated: 2022/05/19 18:01:57 by marvin           ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

int	ft_isalnum(int c)
{
	if ((c >= 65 && c <= 90) || (c >= 97 && c <= 122))
		return (1);
	if (c >= '0' && c <= '9')
		return (1);
	return (0);
}

/*int main()
{
    int var1 = 'd';
    int var2 = '2';
    int var3 = '\t';
    int var4 = ' ';

    if (ft_isalnum(var1))
    {
        printf("var1 = |%c| is alphanumeric\n", var1);
    }
    else
    {
        printf("var1 = |%c| is not alphanumeric\n", var1);
    }

    if (isalnum(var2))
    {
        printf("var2 = |%c| is alphanumeric\n", var2);
    }
    else
    {
        printf("var2 = |%c| is not alphanumeric\n", var2);
    }

    if (isalnum(var3))
    {
        printf("var3 = |%c| is alphanumeric\n", var3);
    }
    else
    {
        printf("var3 = |%c| is not alphanumeric\n", var3);
    }

    if (isalnum(var4))
    {
        printf("var4 = |%c| is alphanumeric\n", var4);
    }
    else
    {
        printf("var4 = |%c| is not alphanumeric\n", var4);
    }
    return (0);
}*/