provnode
provnode *head, *pnode;
provnode *next, *last;
provnode *pnode;
static char *generate_loop_for_req(strnodelist *, provnode *, filenode *);
provnode *pnode, *head;
provnode *head, *pnode;
provnode *pnode;
provnode *head;
generate_loop_for_req(strnodelist *stack_tail, provnode *head,
provnode *pnode;
provnode *head;
provnode *pnode, *head;
typedef struct provnode provnode;