/**
* g_win32_get_package_installation_directory_of_module:
- * @hmodule: The Win32 handle for a DLL loaded into the current process, or %NULL
+ * @hmodule: (allow-none): The Win32 handle for a DLL loaded into the current process, or %NULL
*
* This function tries to determine the installation directory of a
* software package based on the location of a DLL of the software
/**
* g_win32_get_package_installation_directory:
- * @package: You should pass %NULL for this.
- * @dll_name: The name of a DLL that a package provides in UTF-8, or %NULL.
+ * @package: (allow-none): You should pass %NULL for this.
+ * @dll_name: (allow-none): The name of a DLL that a package provides in UTF-8, or %NULL.
*
* Try to determine the installation directory for a software package.
*
/**
* g_win32_get_package_installation_subdirectory:
- * @package: You should pass %NULL for this.
- * @dll_name: The name of a DLL that a package provides, in UTF-8, or %NULL.
+ * @package: (allow-none): You should pass %NULL for this.
+ * @dll_name: (allow-none): The name of a DLL that a package provides, in UTF-8, or %NULL.
* @subdir: A subdirectory of the package installation directory, also in UTF-8
*
* This function is deprecated. Use