NAME
_FUNC - return function part of a functionpointer
SYNOPSIS
#define _FUNC(fp)
DESCRIPTION
The macro returns the function part of fp, which shall always be
a stored string.
This macro will only exist if config.h defines MUDOS_FUNCTIONP.
SEE ALSO
efun/call_fp, efun/functionp, macros/_FP, macros/_LFP,
macros/_OB