book, book_slot, book_name, get_free_line, get_free_slot

Format:
book(gqe_id)
book_s*lot(gqe_id)
book_n*ame(gqe_id)
get_free_line( islot)
get_free_slot()
Description:
Book() returns the name of a queue element, if gqe_id is of the type slot.subindex and it returns slot.subindex otherwise. In case the queue element has the subindex 0, it is omitted. Book_slot() returns always slot.subindex and book_name() returns always the GQE name. The book functions return 0, if the GQE does not exist.

Get_free_line() returns the number of an empty line in the slot which is specified by islot. With this function one is able to specif the exact location of a TEXT GQE. Get_free_slot() returns the number of the next empty slot.

e.g.:
SPECTRA> * = book(bpu1)
1