File: gawk.info,  Node: Symbol Table Access,  Next: Array Manipulation,  Prev: Accessing Parameters,  Up: Extension API Description

17.4.11 Symbol Table Access
---------------------------

Two sets of routines provide access to global variables, and one set
allows you to create and release cached values.

* Menu:

* Symbol table by name::        Accessing variables by name.
* Symbol table by cookie::      Accessing variables by "cookie".
* Cached values::               Creating and using cached values.