From 0777de4c4d192dd3ea17b5cddfb4c4f3dd5aba90 Mon Sep 17 00:00:00 2001
From: Yuki Okushi <jtitor@2k36.org>
Date: Sun, 23 Apr 2023 10:50:40 +0900
Subject: Clean up some `extern`s

Signed-off-by: Yuki Okushi <jtitor@2k36.org>
---
 src/unix/bsd/netbsdlike/netbsd/mod.rs | 46 +++++++++++++++++------------------
 src/unix/linux_like/linux/gnu/mod.rs  | 17 ++-----------
 2 files changed, 24 insertions(+), 39 deletions(-)

diff --git a/src/unix/bsd/netbsdlike/netbsd/mod.rs b/src/unix/bsd/netbsdlike/netbsd/mod.rs
index c750cfb1d0..210a2a392a 100644
--- a/src/unix/bsd/netbsdlike/netbsd/mod.rs
+++ b/src/unix/bsd/netbsdlike/netbsd/mod.rs
@@ -2513,31 +2513,7 @@ extern "C" {
     ) -> ::c_int;
 
     pub fn reallocarr(ptr: *mut ::c_void, number: ::size_t, size: ::size_t) -> ::c_int;
-}
-
-#[link(name = "rt")]
-extern "C" {
-    pub fn aio_read(aiocbp: *mut aiocb) -> ::c_int;
-    pub fn aio_write(aiocbp: *mut aiocb) -> ::c_int;
-    pub fn aio_fsync(op: ::c_int, aiocbp: *mut aiocb) -> ::c_int;
-    pub fn aio_error(aiocbp: *const aiocb) -> ::c_int;
-    pub fn aio_return(aiocbp: *mut aiocb) -> ::ssize_t;
-    #[link_name = "__aio_suspend50"]
-    pub fn aio_suspend(
-        aiocb_list: *const *const aiocb,
-        nitems: ::c_int,
-        timeout: *const ::timespec,
-    ) -> ::c_int;
-    pub fn aio_cancel(fd: ::c_int, aiocbp: *mut aiocb) -> ::c_int;
-    pub fn lio_listio(
-        mode: ::c_int,
-        aiocb_list: *const *mut aiocb,
-        nitems: ::c_int,
-        sevp: *mut sigevent,
-    ) -> ::c_int;
-}
 
-extern "C" {
     pub fn chflags(path: *const ::c_char, flags: ::c_ulong) -> ::c_int;
     pub fn fchflags(fd: ::c_int, flags: ::c_ulong) -> ::c_int;
     pub fn lchflags(path: *const ::c_char, flags: ::c_ulong) -> ::c_int;
@@ -2967,6 +2943,28 @@ extern "C" {
     pub fn getrandom(buf: *mut ::c_void, buflen: ::size_t, flags: ::c_uint) -> ::ssize_t;
 }
 
+#[link(name = "rt")]
+extern "C" {
+    pub fn aio_read(aiocbp: *mut aiocb) -> ::c_int;
+    pub fn aio_write(aiocbp: *mut aiocb) -> ::c_int;
+    pub fn aio_fsync(op: ::c_int, aiocbp: *mut aiocb) -> ::c_int;
+    pub fn aio_error(aiocbp: *const aiocb) -> ::c_int;
+    pub fn aio_return(aiocbp: *mut aiocb) -> ::ssize_t;
+    #[link_name = "__aio_suspend50"]
+    pub fn aio_suspend(
+        aiocb_list: *const *const aiocb,
+        nitems: ::c_int,
+        timeout: *const ::timespec,
+    ) -> ::c_int;
+    pub fn aio_cancel(fd: ::c_int, aiocbp: *mut aiocb) -> ::c_int;
+    pub fn lio_listio(
+        mode: ::c_int,
+        aiocb_list: *const *mut aiocb,
+        nitems: ::c_int,
+        sevp: *mut sigevent,
+    ) -> ::c_int;
+}
+
 #[link(name = "util")]
 extern "C" {
     #[cfg_attr(target_os = "netbsd", link_name = "__getpwent_r50")]
diff --git a/src/unix/linux_like/linux/gnu/mod.rs b/src/unix/linux_like/linux/gnu/mod.rs
index 1aad8361ad..e88ad4eb2c 100644
--- a/src/unix/linux_like/linux/gnu/mod.rs
+++ b/src/unix/linux_like/linux/gnu/mod.rs
@@ -1240,9 +1240,6 @@ extern "C" {
     pub fn reallocarray(ptr: *mut ::c_void, nmemb: ::size_t, size: ::size_t) -> *mut ::c_void;
 
     pub fn ctermid(s: *mut ::c_char) -> *mut ::c_char;
-}
-
-extern "C" {
     pub fn ioctl(fd: ::c_int, request: ::c_ulong, ...) -> ::c_int;
     pub fn backtrace(buf: *mut *mut ::c_void, sz: ::c_int) -> ::c_int;
     pub fn glob64(
@@ -1331,9 +1328,6 @@ extern "C" {
     /// GNU version of `basename(3)`, defined in `string.h`.
     #[link_name = "basename"]
     pub fn gnu_basename(path: *const ::c_char) -> *mut ::c_char;
-}
-
-extern "C" {
     pub fn dlmopen(lmid: Lmid_t, filename: *const ::c_char, flag: ::c_int) -> *mut ::c_void;
     pub fn dlinfo(handle: *mut ::c_void, request: ::c_int, info: *mut ::c_void) -> ::c_int;
     pub fn dladdr1(
@@ -1343,15 +1337,10 @@ extern "C" {
         flags: ::c_int,
     ) -> ::c_int;
     pub fn malloc_trim(__pad: ::size_t) -> ::c_int;
-}
-
-extern "C" {
     pub fn gnu_get_libc_release() -> *const ::c_char;
     pub fn gnu_get_libc_version() -> *const ::c_char;
-}
 
-// posix/spawn.h
-extern "C" {
+    // posix/spawn.h
     // Added in `glibc` 2.29
     pub fn posix_spawn_file_actions_addchdir_np(
         actions: *mut ::posix_spawn_file_actions_t,
@@ -1372,10 +1361,8 @@ extern "C" {
         actions: *mut ::posix_spawn_file_actions_t,
         tcfd: ::c_int,
     ) -> ::c_int;
-}
 
-// mntent.h
-extern "C" {
+    // mntent.h
     pub fn getmntent_r(
         stream: *mut ::FILE,
         mntbuf: *mut ::mntent,
-- 
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