[] Gets information about current family file, if familying is enabled. See Section [*] for more information.
[] fam (PLINT *, output):[]Pointer to variable with the boolean family flag value. If nonzero, familying is enabled.
[] num (PLINT *, output):[]Pointer to variable with the current family file number.
[] bmax (PLINT *, output):[]Pointer to variable with the maximum file size (in bytes) for a family file.
¸plgfile, plgfnam, plgfam, API
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