diff --git a/src/proto/hardcopy.pro b/src/proto/hardcopy.pro
new file mode 100644
index 0000000000000000000000000000000000000000..f1928149fb928b9067b73e894500692abffa44ab
--- /dev/null
+++ b/src/proto/hardcopy.pro
@@ -0,0 +1,21 @@
+/* hardcopy.c */
+char_u *parse_printoptions __ARGS((void));
+char_u *parse_printmbfont __ARGS((void));
+int get_printer_page_num __ARGS((void));
+int prt_header_height __ARGS((void));
+int prt_use_number __ARGS((void));
+int prt_get_unit __ARGS((int idx));
+void ex_hardcopy __ARGS((exarg_T *eap));
+void mch_print_cleanup __ARGS((void));
+int mch_print_init __ARGS((prt_settings_T *psettings, char_u *jobname, int forceit));
+int mch_print_begin __ARGS((prt_settings_T *psettings));
+void mch_print_end __ARGS((prt_settings_T *psettings));
+int mch_print_end_page __ARGS((void));
+int mch_print_begin_page __ARGS((char_u *str));
+int mch_print_blank_page __ARGS((void));
+void mch_print_start_line __ARGS((int margin, int page_line));
+int mch_print_text_out __ARGS((char_u *p, int len));
+void mch_print_set_font __ARGS((int iBold, int iItalic, int iUnderline));
+void mch_print_set_bg __ARGS((long_u bgcol));
+void mch_print_set_fg __ARGS((long_u fgcol));
+/* vim: set ft=c : */