proc_kmsgbuf for darwin addition

Author: devnexen

libc-test/semver/apple.txt

@@ -1782,12 +1782,13 @@ posix_spawnattr_t
 posix_spawnp
 preadv
 proc_bsdinfo
-proc_name
+proc_kmsgbuf
 proc_listallpids
 proc_listchildpids
 proc_listpgrppids
 proc_listpids
 proc_libversion
+proc_name
 proc_pidinfo
 proc_pidfdinfo
 proc_pidfileportinfo

src/unix/bsd/apple/mod.rs

@@ -4452,6 +4452,7 @@ extern "C" {
         buffer: *mut ::c_void,
         buffersize: u32,
     ) -> ::c_int;
+    pub fn proc_kmsgbuf(buffer: *mut ::c_void, buffersize: u32) -> ::c_int;
     pub fn proc_libversion(major: *mut ::c_int, mintor: *mut ::c_int) -> ::c_int;
     /// # Notes
     ///