plgfam: Get family file parameters

`plgfam`: Get family file parameters
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#### `plgfam`: Get family file parameters

`plgfam (` | p_fam,
| p_num,
| p_bmax`)`;

Gets information about current family file, if familying is enabled. See the section called “Family File Output” for more information.

`p_fam` (`PLINT *`, output)

  Pointer to variable with the Boolean family flag value. If nonzero, familying is enabled.

`p_num` (`PLINT *`, output)

  Pointer to variable with the current family file number.

`p_bmax` (`PLINT *`, output)

  Pointer to variable with the maximum file size (in bytes) for a family file.

Redacted form: `plgfam(p_fam, p_num, p_bmax)`

This function is used in examples 14,31.

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