Please write this in C, thank you

Your function's prototype is as follows: int getFirst(struct node *LL, int *error); and operates as follows: LL is an array of struct nodes *containing a linked list* LL[0] is assumed to be a sentinal node, and is always present LL[0].next is the index of the first data node If there is a first data node, your function should return that value as the function value, and should set *error to 0 If however the list is empty (no first data node exists), the function should return 0, and should set *error to 1