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// Randomises the cases of letters. An IRC in joke from when I found out about the C+=
// project. (Letter equality)
#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);
}
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