The null field handle

SAF_NULL_FIELD is a macro defined in saf.h.

Synopsis:

SAF_NULL_FIELD(Db)

Description: This macro evaluates to the field handle for the null field of the database. The null field handle is most often only used in a SAF__ONE parallel call where many processors are participating solely for the sake of collectivity (See *Constants*).

See Also:

• Fields: Introduction for current chapter