strstr

int strstr(string sub, string source)
// Pass: The sub string to looks for, the source string to search through
// Return: The number of sub strings found
// Assmes:
// Note: If searching for two spaces, four spaces together will count as 3 instances
{
	int i;
	int count = 0;
	int lensub = len(sub);
	int lensource = len(source);
	for (i = 0; i < lensource; i++)
	{
		if (!strcmp(sub, mid(source, i, lensub))) count++;
	}
	return count;
}