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/*malloc example
* random string generator
* malloc, free, random
*/

#include <iostream>
using namespace std;

int main() {

	int i, n;
	char *buffer;	//pointer

	printf("How long do you want the string.");
	scanf("%d", &i);

	buffer = (char*) malloc(i + 1);
	if (buffer == NULL) {
		exit(1);
	}

	for (int n = 0; n < i; n++)	{
		buffer[n] = rand() % 26 + 'a';
		buffer[i] = '\0';
	}

	printf("Random string: %s\n", buffer);
	free(buffer);


	return 0;
}