PPC Close Port (Macintosh)

Closes a PPC port. Closing a port terminates all outstanding calls associated with the port with a portClosedErr (error –916).

port refnum is a unique port refnum.
error, if negative, indicates a Macintosh error. If positive, error indicates an error internal to the CIN that generated it. Refer to the PPC Error Codes for a list of PPC error codes and their descriptions.