just kernel32 things (#4354)

* just kernel32 things

* more

* Update linux_c.zig

* Update windows_c.zig

* Add workaround

Workaround https://github.com/ziglang/zig/issues/16980

* Rename http.zig to bun_dev_http_server.zig

* Rename usages

* more

* more

* more

* thanks tigerbeetle

* Rename `JSC.Node.Syscall` -> `bun.sys`

* more

* woops

* more!

* hmm

* it says there are only 37 errors, but that's not true

* populate argv

* it says 32 errors!

* 24 errors

* fix regular build

* 12 left!

* Still 12 left!

* more

* 2 errors left...

* 1 more error

* Add link to Tigerbeetle

* Fix the remainign error

* Fix test timeout

* Update syscall.zig

---------

Co-authored-by: Jarred Sumner <709451+Jarred-Sumner@users.noreply.github.com>

src/string_builder.zig

@@ -38,6 +38,18 @@ pub fn deinit(this: *StringBuilder, allocator: Allocator) void {
     allocator.free(this.ptr.?[0..this.cap]);
 }
 
+pub fn append16(this: *StringBuilder, slice: []const u16) ?[:0]u8 {
+    var buf = this.writable();
+    const result = bun.simdutf.convert.utf16.to.utf8.with_errors.le(slice, buf);
+    if (result.status == .success) {
+        this.len += result.count + 1;
+        buf[result.count] = 0;
+        return buf[0..result.count :0];
+    }
+
+    return null;
+}
+
 pub fn append(this: *StringBuilder, slice: string) string {
     if (comptime Environment.allow_assert) {
         assert(this.len <= this.cap); // didn't count everything