ndgFreeProv - Free a structure holding provenance information

Description:

This function frees the resources used to hold a provenance structure.

Invocation:

NdgProvenance $*$ndgFreeProv( NdgProvenance $*$prov, int $*$status )

Arguments:

prov

A pointer to the provenance information to be freed.

status

The global status.

Returned Value:

A NULL pointer is returned.

Notes:

• This function attempts to execute even if an error has already occurred.