From 474d17c13ae9f9f51cb2e7f18d3d61353f1ccd83 Mon Sep 17 00:00:00 2001
From: mlugg <mlugg@mlugg.co.uk>
Date: Thu, 7 Mar 2024 16:11:57 +0000
Subject: [PATCH] std.c: do not use `usingnamespace` to define getcontext

Eliminates one more usage of `usingnamespace` from the standard library.
---
 lib/std/c.zig | 18 ++++++++----------
 1 file changed, 8 insertions(+), 10 deletions(-)

diff --git a/lib/std/c.zig b/lib/std/c.zig
index cc5483cce9..26ff5e21b0 100644
--- a/lib/std/c.zig
+++ b/lib/std/c.zig
@@ -1863,16 +1863,14 @@ pub extern "c" fn setlogmask(maskpri: c_int) c_int;
 
 pub extern "c" fn if_nametoindex([*:0]const u8) c_int;
 
-pub usingnamespace if (builtin.target.isAndroid()) struct {
-    // android bionic libc does not implement getcontext,
-    // and std.os.linux.getcontext also cannot be built for
-    // bionic libc currently.
-} else if (native_os == .linux and builtin.target.isMusl()) struct {
-    // musl does not implement getcontext
-    pub const getcontext = std.os.linux.getcontext;
-} else struct {
-    pub extern "c" fn getcontext(ucp: *std.os.ucontext_t) c_int;
-};
+pub const getcontext = if (builtin.target.isAndroid())
+    @compileError("android bionic libc does not implement getcontext")
+else if (native_os == .linux and builtin.target.isMusl())
+    std.os.linux.getcontext
+else
+    struct {
+        extern fn getcontext(ucp: *std.os.ucontext_t) c_int;
+    }.getcontext;
 
 pub const max_align_t = if (native_abi == .msvc)
     f64