Merge pull request #7195 from Aransentin/master

A win32-api proposal, implemented for user32.zig

Author: andrewrk

lib/std/os/windows/bits.zig

@@ -37,6 +37,7 @@ pub const UCHAR = u8;
 pub const FLOAT = f32;
 pub const HANDLE = *c_void;
 pub const HCRYPTPROV = ULONG_PTR;
+pub const ATOM = u16;
 pub const HBRUSH = *opaque {};
 pub const HCURSOR = *opaque {};
 pub const HICON = *opaque {};
@@ -770,13 +771,25 @@ pub const FILE_FLAG_SESSION_AWARE = 0x00800000;
 pub const FILE_FLAG_SEQUENTIAL_SCAN = 0x08000000;
 pub const FILE_FLAG_WRITE_THROUGH = 0x80000000;
 
+pub const RECT = extern struct {
+    left: LONG,
+    top: LONG,
+    right: LONG,
+    bottom: LONG,
+};
+
 pub const SMALL_RECT = extern struct {
     Left: SHORT,
     Top: SHORT,
     Right: SHORT,
     Bottom: SHORT,
 };
 
+pub const POINT = extern struct {
+    x: LONG,
+    y: LONG,
+};
+
 pub const COORD = extern struct {
     X: SHORT,
     Y: SHORT,

lib/std/os/windows/kernel32.zig

@@ -115,6 +115,7 @@ pub extern "kernel32" fn GetModuleFileNameW(hModule: ?HMODULE, lpFilename: [*]u1
 pub extern "kernel32" fn GetModuleHandleW(lpModuleName: ?[*:0]const WCHAR) callconv(WINAPI) ?HMODULE;
 
 pub extern "kernel32" fn GetLastError() callconv(WINAPI) Win32Error;
+pub extern "kernel32" fn SetLastError(dwErrCode: Win32Error) callconv(WINAPI) void;
 
 pub extern "kernel32" fn GetFileInformationByHandle(
     hFile: HANDLE,