/* strspn - Calculate the length of the initial substring of @s which only contain letters in @accept @s: The string to be searched @accept: The string to search for  */
size_t strspn(const char *s, const char *accept)
/* strspn - Calculate the length of the initial substring of @s which only contain letters in @accept @s: The string to be searched @accept: The string to search for  */
size_t strspn(const char *s, const char *accept)
{
	const char *p;
	const char *a;
	size_t count = 0;
	for (p = s; *p != '\0'; ++p) {
		for (a = accept; *a != '\0'; ++a) {
			if (*p == *a)
				break;
		}
		if (*a == '\0')
			return count;
		++count;
	}
	return count;
}