main()
{
	char x[20];
	char s[20];
	strcpy(s,"ste");
	strcpy(x,"ven");

	int i;
	int j = 0;
	for(i = 0; s[i] != '\0'; i++) //this is an empty loop that just finds the end of s
		;

	while( (s[i] = x[j]) != '\0'){ //i is equal to the element of where ever the null char in s is, adds the beg of j to s
		j++;
		i++;
	}
	s[i] = '\0';

}