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

int main(int argc, char *argv[]) {

	const char *str1 = "abrac";
	char str2[] = "ada";
	
	char str[30];
	
	strcpy(str, str1);
	strcat(str, str2);
	strncat(str, &str[1], 3);
	
	printf("final string = %s of length %lu\n", str, strlen(str));
	
	int x = 1; int y = 2;
	
	int z = x++ + ++y;
	printf("z = %d\n", z);
	printf("x = %d\n", x);
	printf("y = %d\n", y);
	return 0;
}
