+#define file_Sys_Sys_buffer_mode_full_0(self) _IOFBF
+#define file_Sys_Sys_buffer_mode_line_0(self) _IOLBF
+#define file_Sys_Sys_buffer_mode_none_0(self) _IONBF
+
+#define string_NativeString_NativeString_file_mkdir_0(p) (!mkdir(p, 0777))
+#define string_NativeString_NativeString_file_getcwd_0(p) (getcwd(NULL, 0))
+#define string_NativeString_NativeString_file_chdir_0(p) (!chdir(p))
+#define file_NativeString_realpath(p) (realpath(p, NULL))