-#define GETHOST /* System has gethostname syscall */
-#ifdef GETHOST
-#define LOCAL EMPTYID /* Dynamically determined local host */
-#else
-#define LOCAL 'j' /* Local host id */
-#endif GETHOST
-
-#define MAIL "/bin/mail" /* Name of mail sender */
-#define SENDMAIL "/usr/lib/sendmail"
- /* Name of classy mail deliverer */
-#define EDITOR "/usr/ucb/ex" /* Name of text editor */
-#define VISUAL "/usr/ucb/vi" /* Name of display editor */
-#define SHELL "/bin/csh" /* Standard shell */
-#define MORE "/usr/ucb/more" /* Standard output pager */
-#define HELPFILE "/usr/lib/Mail.help"
- /* Name of casual help file */
-#define THELPFILE "/usr/lib/Mail.help.~"
-#define POSTAGE "/usr/adm/maillog"
- /* Where to audit mail sending */
- /* Name of casual tilde help */
-#define UIDMASK 0177777 /* Significant uid bits */
-#define MASTER "/usr/lib/Mail.rc"
-#define APPEND /* New mail goes to end of mailbox */
-#define CANLOCK /* Locking protocol actually works */
-#define UTIME /* System implements utime(2) */