Reversing words in a sentence

#include <stdio.h>

int reverse(char* start, char* end) {
       char tmp;
       while (start < end) {
               tmp=*start;
               *start=*end;
               *end=tmp;
               start++;
               end--;
       }
       return 0;
}

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

       char test[]="A loves B";
       char* start=&test[0];
       char* end=start+strlen(test)-1;
       char* begin;
       char* stop;
       reverse(start,end);
       printf ("%s\n",test);
       begin=start;
       stop=start;
       while (stop<end) {
               while (*stop!=' ' && stop!=end)
                       stop++;
               reverse(begin,stop-1);
               begin=stop+1;
               stop=begin;
       }
       printf ("%s\n",test);
       return 0;

}