.DT query_book DW_wibble creator help query_book .SH Name .SP 5 5 query_book - Tells us if this is a book object. .EP .SH Syntax .SI 5 int query_book() .EI .SH Returns .SI 5 always returns 1 .EI .SH Defined in .SI 5 /std/book.c .EI .SH Description .SP 5 5 Tells us if this is a book object. .EP