--- /sys/src/9/port/portfns.h	Mon Nov  5 07:29:45 2018+++ ../frontmods/port/portfns.h	Fri Dec  7 23:24:25 2018@@ -34,6 +34,7 @@ void		closefgrp(Fgrp*); void		closepgrp(Pgrp*); void		closergrp(Rgrp*);+void		closesgrp(Sgrp*); long		clrfpintr(void); void		cmderror(Cmdbuf*, char*); int		cmount(Chan**, Chan*, int, char*);@@ -329,6 +330,8 @@ void		splxpc(int); char*		srvname(Chan*); void		srvrenameuser(char*, char*);+char*		zrvname(Chan*);+void		zrvrenameuser(char*, char*); void		shrrenameuser(char*, char*); int		swapcount(uintptr); int		swapfull(void);@@ -401,3 +404,6 @@ #pragma varargck argpos iprint	1 #pragma	varargck argpos	panic	1 #pragma varargck argpos pprint	1+int		pcmount(Chan**, Chan*, int, char*, Proc*);+void		pcunmount(Chan*, Chan*, Proc*);+Chan*		pnamec(char*, int, int, ulong, Proc*);