blob: 00b9d308867ce009ebfa7729164562e21110d6b1 (
plain)
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
|
/*
* String letter case randomiser.
*
* Copyright (C) 2014 Tomasz Kramkowski <tk@the-tk.com>
*
* This program is free software. It is licensed under version 3 of the
* GNU General Public License.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see [http://www.gnu.org/licenses/].
*/
#include <stdlib.h>
#include <stdio.h>
#include <time.h>
#define MAXLINE 1000
void upper (char string[], int position) {
if (string[position] < 'z' && string[position] > 'a' ) {
string[position] -= 'a';
string[position] += 'A';
}
}
void lower (char string[], int position) {
if (string[position] < 'Z' && string[position] > 'A' ) {
string[position] -= 'A';
string[position] += 'a';
}
}
int main (int argc, char **argv) {
srand(time(NULL));
char input_string[MAXLINE];
char c;
int i = 0;
while ((c = getchar()) != '\0') {
input_string[i++] = c;
}
input_string[i] = '\0';
for (i = 0; i < MAXLINE; i++) {
(rand() & 1) ? upper(input_string, i) : lower(input_string, i);
}
printf("Output: %s \n", input_string);
}
|
