#include <stdio.h>
#include <string.h>

int main(int argc, char** argv) {
	char asd[5] = "abcd";
	size_t l = strlen(asd);
	int i;
	for (i = 0; i < l; ++i) {
		fprintf(stderr, "%d, %d\n", i, asd[i]);
	}

	asd[5] = '\0';
	fprintf(stderr, "-> %d\n", asd[5]);
	return 0;
}