void rotate(char* p,char* q) { if(p>=q) return; while(p<q) { swapvalue(p,q); p++; q--; } }
int main (int argc, char *argv[]) { int val1 = 5; int val2 = 7; swapvalue (val1, val2); printf ("val1 : %d \n", val1); printf ("val2 : %d \n", val2); return 0; }