Program to print a random string.

random.c

#include <stdio.h>
#include <stdlib.h>
#include <time.h>

int main (void) {

	srand((unsigned int)(time(NULL)));
	int index = 0;

	char char1[] = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789/,.-+=~`<>:";
	for(index = 0; index < 48; index++)
	{
		printf("%c", char1[rand() % (sizeof char1 - 1)]);
	}
	puts("");
	return 0;
}