diff --git a/src/proto/main.pro b/src/proto/main.pro
new file mode 100644
index 0000000..7e965fb
--- /dev/null
+++ b/src/proto/main.pro
@@ -0,0 +1,25 @@
+/* main.c */
+void main_loop __ARGS((int cmdwin));
+void getout_preserve_modified __ARGS((int exitval));
+void getout __ARGS((int exitval));
+int process_env __ARGS((char_u *env, int is_viminit));
+void mainerr_arg_missing __ARGS((char_u *str));
+void time_push __ARGS((void *tv_rel, void *tv_start));
+void time_pop __ARGS((void *tp));
+void time_msg __ARGS((char *msg, void *tv_start));
+void server_to_input_buf __ARGS((char_u *str));
+char_u *eval_client_expr_to_string __ARGS((char_u *expr));
+int toF_TyA __ARGS((int c));
+int fkmap __ARGS((int c));
+void conv_to_pvim __ARGS((void));
+void conv_to_pstd __ARGS((void));
+char_u *lrswap __ARGS((char_u *ibuf));
+char_u *lrFswap __ARGS((char_u *cmdbuf, int len));
+char_u *lrF_sub __ARGS((char_u *ibuf));
+int cmdl_fkmap __ARGS((int c));
+int F_isalpha __ARGS((int c));
+int F_isdigit __ARGS((int c));
+int F_ischar __ARGS((int c));
+void farsi_fkey __ARGS((cmdarg_T *cap));
+int arabic_shape __ARGS((int c, int *ccp, int *c1p, int prev_c, int prev_c1, int next_c));
+/* vim: set ft=c : */