#include <stdio.h>
#include <stdlib.h>
char *s1 = "This is a long string. Even more than one sentence!";

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

char * mystrcpy ( char * destination, const char * source )
{
	int k=0;
	while( source[k] != '\0') {
		destination[k] = source[k];
		*(destination+k) = *(source+k);
		k++;
	}
	destination[k] = '\0';
	return destination;
}

void strInverter(char* start)
{
	char* stop, tmp;
	// hitta sista tecknet
	stop = start;
	while(*stop)
		stop++;
	stop--;
	
	// swappa tecken
	while(start<stop) {
		tmp = *stop;
		*stop = *start;
		*start = tmp;
		start++;
		stop--;
	}
}
int main(int argc, char **argv)
{
	int slength;
	char * s2;
	slength = stringLength(s1);
	s2 = (char*)malloc((slength+1)*sizeof(char));
	s2 = mystrcpy(s2,s1);
	strInverter(s2);
	printf("length was %i\n", slength);
	printf("hello world\n");
	return 0;
}