--- a/src/proto/main.pro
+++ b/src/proto/main.pro
@@ -1,26 +1,26 @@
 /* main.c */
-void main_loop __ARGS((int cmdwin, int noexmode));
-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));
-char_u *serverConvert __ARGS((char_u *client_enc, char_u *data, char_u **tofree));
-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));
+extern void main_loop __ARGS((int cmdwin, int noexmode));
+extern void getout_preserve_modified __ARGS((int exitval));
+extern void getout __ARGS((int exitval));
+extern int process_env __ARGS((char_u *env, int is_viminit));
+extern void mainerr_arg_missing __ARGS((char_u *str));
+extern void time_push __ARGS((void *tv_rel, void *tv_start));
+extern void time_pop __ARGS((void *tp));
+extern void time_msg __ARGS((char *msg, void *tv_start));
+extern void server_to_input_buf __ARGS((char_u *str));
+extern char_u *eval_client_expr_to_string __ARGS((char_u *expr));
+extern char_u *serverConvert __ARGS((char_u *client_enc, char_u *data, char_u **tofree));
+extern int toF_TyA __ARGS((int c));
+extern int fkmap __ARGS((int c));
+extern void conv_to_pvim __ARGS((void));
+extern void conv_to_pstd __ARGS((void));
+extern char_u *lrswap __ARGS((char_u *ibuf));
+extern char_u *lrFswap __ARGS((char_u *cmdbuf, int len));
+extern char_u *lrF_sub __ARGS((char_u *ibuf));
+extern int cmdl_fkmap __ARGS((int c));
+extern int F_isalpha __ARGS((int c));
+extern int F_isdigit __ARGS((int c));
+extern int F_ischar __ARGS((int c));
+extern void farsi_fkey __ARGS((cmdarg_T *cap));
+extern int arabic_shape __ARGS((int c, int *ccp, int *c1p, int prev_c, int prev_c1, int next_c));
 /* vim: set ft=c : */