1 files changed, 33 insertions, 0 deletions
diff --git a/sys/fio/funlink.x b/sys/fio/funlink.x
new file mode 100644
index 00000000..402076f0
--- /dev/null
+++ b/sys/fio/funlink.x
@@ -0,0 +1,33 @@
+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include	<syserr.h>
+include	<knet.h>
+
+# FUNLINK -- Remove a symlink.
+
+procedure funlink (lname)
+
+char	lname[ARB]			# link name
+
+int	status
+pointer	sp, oslnk
+int	access()
+errchk	syserrs
+
+begin
+	call smark (sp)
+	call salloc (oslnk, SZ_PATHNAME, TY_CHAR)
+
+	# It is an error if the link file doesn't exist.
+	if (access (lname, 0, 0) == NO)
+	    call syserrs (SYS_FOPEN, lname)
+	
+	# Try to remove the symlink.
+        iferr (call fmapfn (lname, Memc[oslnk], SZ_PATHNAME))
+            call syserrs (SYS_FSYMLINK, lname)
+	call zfulnk (Memc[oslnk], status)
+	if (status == ERR)
+	    call syserrs (SYS_FUNLINK, lname)
+
+	call sfree (sp)
+end