errno(3) -> errno(2)

MFC after:	1 month
Sponsored by:	The FreeBSD Foundation

lib/libsysdecode/sysdecode_abi_to_freebsd_errno.3

@@ -43,7 +43,7 @@
 The
 .Fn sysdecode_abi_to_freebsd_errno
 function returns the native
-.Xr errno 3
+.Xr errno 2
 value that corresponds to the error indicated by
 .Fa error
 for the process ABI
@@ -60,19 +60,19 @@ The
 function the error value for the process ABI
 .Fa abi
 that corresponds to the native
-.Xr errno 3
+.Xr errno 2
 value
 .Fa error .
 If
 .Fa error
 does not identify a valid
-.Xr errno 3
+.Xr errno 2
 error,
 .Dv INT_MAX
 is returned.
 .Pp
 Note that the mappings between native
-.Xr errno 3
+.Xr errno 2
 values and errors for other ABIs are not exhaustive.
 If a mapping does not exist,
 these functions return

lib/libthr/libthr.3

@@ -235,12 +235,11 @@ logs.
 .Xr ktrace 1 ,
 .Xr ld-elf.so.1 1 ,
 .Xr getrlimit 2 ,
+.Xr errno 2 ,
 .Xr umtx 2 ,
 .Xr dlclose 3 ,
 .Xr dlopen 3 ,
-.Xr errno 3 ,
 .Xr getenv 3 ,
-.Xr libc 3 ,
 .Xr pthread_attr 3 ,
 .Xr pthread_attr_setstacksize 3 ,
 .Xr pthread_create 3 ,