Sat Nov  1 00:19:21 1997  Assar Westerlund  <assar@sics.se>

	* roken.h: include <sys/uio.h> and <errno.h>.
	prototypes for readv and writev

	* readv.c, writev.c: new files

Wed Oct 29 02:21:38 1997  Assar Westerlund  <assar@sics.se>

	* roken.h: Add ugly macros for openlog, gethostbyname,
 	gethostbyaddr, and getservbyname for the benefit of Crays.  Add
 	default definition of MAXPATHLEN