extern unsigned long asma(unsigned long a);
		
unsigned long asma_ref(unsigned long l)
{
  unsigned long r;
  unsigned char *s = (unsigned char *)&l;
  unsigned char *t = (unsigned char *)&r;
  int i;
  for (i=0; i<sizeof(l); i++) {
    unsigned char c=s[i];
    c += (c>='A' && c<='Z') ? 'a'-'A' : 0;
    t[i] = c;
  }
  return r;
}

int main() {
	char test[]="0123456789abcdefghijklm\nnopqr\n\nstuvwxyzäöüßABCDEFGHIJKLMNOPQRSTUVWXYZÄÖÜ\0.""........";
	unsigned long *pointer=(unsigned long *)test;

	int a;
	char *secondchar;
	char *firstchar;
	for(a=0;a<70;a++) {
		unsigned long bla1=asma(*pointer);
		unsigned long bla2=asma_ref(*pointer);
		
		if(bla1!=bla2) {
			printf("Testfall falsch, erwartet %li, tatsaechliches Ergebnis: %li\n",bla2,bla1);
		}
		secondchar=&test[1];
		firstchar=&test[0];
		memmove(firstchar,secondchar,75-a);
	}
}