diff --git a/src/proto/ex_docmd.pro b/src/proto/ex_docmd.pro
index ed42f1c..8f3852a 100644
--- a/src/proto/ex_docmd.pro
+++ b/src/proto/ex_docmd.pro
@@ -4,15 +4,15 @@
 int do_cmdline(char_u *cmdline, char_u *(*fgetline)(int, void *, int), void *cookie, int flags);
 int getline_equal(char_u *(*fgetline)(int, void *, int), void *cookie, char_u *(*func)(int, void *, int));
 void *getline_cookie(char_u *(*fgetline)(int, void *, int), void *cookie);
-int parse_command_modifiers(exarg_T *eap, char_u **errormsg, int skip_only);
-int parse_cmd_address(exarg_T *eap, char_u **errormsg, int silent);
+int parse_command_modifiers(exarg_T *eap, char **errormsg, int skip_only);
+int parse_cmd_address(exarg_T *eap, char **errormsg, int silent);
 int checkforcmd(char_u **pp, char *cmd, int len);
 int modifier_len(char_u *cmd);
 int cmd_exists(char_u *name);
 char_u *set_one_cmd_context(expand_T *xp, char_u *buff);
 char_u *skip_range(char_u *cmd, int *ctx);
 void ex_ni(exarg_T *eap);
-int expand_filename(exarg_T *eap, char_u **cmdlinep, char_u **errormsgp);
+int expand_filename(exarg_T *eap, char_u **cmdlinep, char **errormsgp);
 void separate_nextcmd(exarg_T *eap);
 int get_bad_opt(char_u *p, exarg_T *eap);
 int ends_excmd(int c);
@@ -61,7 +61,7 @@
 void exec_normal_cmd(char_u *cmd, int remap, int silent);
 void exec_normal(int was_typed, int use_vpeekc, int may_use_terminal_loop);
 int find_cmdline_var(char_u *src, int *usedlen);
-char_u *eval_vars(char_u *src, char_u *srcstart, int *usedlen, linenr_T *lnump, char_u **errormsg, int *escaped);
+char_u *eval_vars(char_u *src, char_u *srcstart, int *usedlen, linenr_T *lnump, char **errormsg, int *escaped);
 char_u *expand_sfile(char_u *arg);
 int put_eol(FILE *fd);
 int put_line(FILE *fd, char *s);