__NAME__

        frame - the current frame of exectution

__DESCRIPTION__

        The frame pointer is called 'fp' and is of type 'struct frame'.
        The frame pointer contains information about what function we
        are executing in, what is the current object, the current program,
        where the local variables are etc. It also contains a pointer to
        the previous frame in the call stack. The most important members
        of 'fp' are:

- ~~current_object~~:  same as the Pike function this_object()
- ~~context.program~~: the program in which this function resides
- ~~current_storage~~: a 'char *' pointer into the data area for this object. This is the pointer to the area reserved for you if you have done add_storage() earlier.

__KEYWORDS__

        data_types

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