int myStrLength(char * src){
	int length = 0;
	while(*src != '\0') {
		src++;
		length++;
	}	
	return length;
}

char * myStrcpy(char * dst, char * src) {
	char * tmp;
	tmp = dst;
	while(*src) {
		*dst = *src;
		src++;
		dst++;
	}
	*dst = '\0';
	return tmp;
}