pass over help menu; typeof in eval

src/os/gfx/linux/os_gfx_linux.c

@@ -492,3 +492,9 @@ os_show_in_filesystem_ui(String8 path)
 {
   
 }
+
+internal void
+os_open_in_browser(String8 url)
+{
+  
+}

src/os/gfx/os_gfx.h

@@ -192,5 +192,6 @@ internal void           os_graphical_message(B32 error, String8 title, String8 m
 //~ rjf: @os_hooks Shell Operations
 
 internal void           os_show_in_filesystem_ui(String8 path);
+internal void           os_open_in_browser(String8 url);
 
 #endif // OS_GFX_H

src/os/gfx/stub/os_gfx_stub.c

@@ -238,3 +238,8 @@ internal void
 os_show_in_filesystem_ui(String8 path)
 {
 }
+
+internal void
+os_open_in_browser(String8 url)
+{
+}

src/os/gfx/win32/os_gfx_win32.c

@@ -1542,3 +1542,12 @@ os_show_in_filesystem_ui(String8 path)
   }
   scratch_end(scratch);
 }
+
+internal void
+os_open_in_browser(String8 url)
+{
+  Temp scratch = scratch_begin(0, 0);
+  String16 url16 = str16_from_8(scratch.arena, url);
+  ShellExecuteW(0, L"open", (WCHAR *)url16.str, 0, 0, SW_SHOWNORMAL);
+  scratch_end(scratch);
+}