[] Sets variables dealing with output file familying. Does nothing if familying not supported by the driver. This routine, if used, must be called before initializing PLplot. See Section [*] for more information.
[] fam (PLINT, input):[]Family flag (boolean). If nonzero, familying is enabled.
[] num (PLINT, input):[]Current family file number.
[] bmax (PLINT, input):[]Maximum file size (in bytes) for a family file.
¸plsfile, plsfnam, plsfam, API
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