strstr

/* Check if string B includes string A */

bool strstr(char* A, char*  B)
{
 char* p1 = A;
 char* p2 = B;

 if(*p1 == '/0' || *p2 == '/0')
 return false;
 
 
 while(*p2 != '/0' && *p2 != *p1)
 {
  p2++;
 }
 
 if(*p2 == '/0')
 return false;
 
 while(*p1 == *p2)
 {
  p1++;
  p2++;
 }
 
 if(*p1 == '/0')
 {
  return true;
 }
 else
 {
  return strstr(A, p2)
 }
}