A zero terminated list of alternate names for the rpc program.
The rpc program number for this service.
The getrpcent function reads the next line of the file, opening the file if necessary.
The setrpcent function opens and rewinds the file. If the stayopen flag is non-zero, the net data base will not be closed after each call to getrpcent (either directly, or indirectly through one of the other "getrpc" calls).
The endrpcent function closes the file.
The getrpcbyname and getrpcbynumber functions sequentially search from the beginning of the file until a matching rpc program name or program number is found, or until end-of-file is encountered.