Add_Int_Timeval
static struct timeval Add_Int_Timeval(int inc, struct timeval t){
   struct timeval r;
	r.tv_usec = t.tv_usec + (inc % 1000);
	r.tv_sec = t.tv_sec + inc / 1000;
	if(r.tv_usec > 999){
		r.tv_usec -= 1000;
		r.tv_sec++;
	}
	return(r);
}	

Add_Timeval_Int
static struct timeval Add_Timeval_Int(struct timeval t, int inc){
   struct timeval r;
	r.tv_usec = t.tv_usec + (inc % 1000);
	r.tv_sec = t.tv_sec + inc / 1000;
	if(r.tv_usec > 999){
		r.tv_usec -= 1000;
		r.tv_sec++;
	}
	return(r);
}

Subtract_Timeval_Int
static struct timeval Subtract_Timeval_Int(struct timeval t, int inc){
   struct timeval r;
	r.tv_usec = t.tv_usec - (inc % 1000);
	r.tv_sec = t.tv_sec - inc / 1000;
	if(r.tv_usec < 0){
		r.tv_usec += 1000;
		r.tv_sec--;
	}
	return(r);
}

Divide_Timeval_Int
static struct timeval Divide_Timeval_Int(struct timeval t, int d){
	struct timeval r;
	r.tv_sec = t.tv_sec / d;
	r.tv_usec = (t.tv_usec + 1000*( t.tv_sec % d )) / d;
	return(r);
}	
	

Subtract_Timeval_Timeval
static int Subtract_Timeval_Timeval(struct timeval t1, struct timeval t2){
	return(1000*(t1.tv_sec - t2.tv_sec) + (t1.tv_usec - t2.tv_usec) );
}

Compare_Timeval
static int Compare_Timeval(struct timeval t1, struct timeval t2){
	return( t1.tv_sec != t2.tv_sec ? t1.tv_sec - t2.tv_sec : t1.tv_usec - t2.tv_usec );
}

Timeval_Constructor
static struct timeval Timeval_Constructor(int s, int m){
   struct timeval r;
	r.tv_sec = s;
    r.tv_usec = m;
	return(r);
}

String_Constructor
static struct gs_string String_Constructor(char *l){
  struct gs_string s;
	s.data = l;
    s.owner = NULL;
	s.length = 0;
    while(l[s.length] != '\0') s.length++;
	return(s);
}

Compare_String

str_assign_with_copy

str_assign_with_copy_in_tuple

str_replace

str_length

str_destroy