diff --git a/src/proto/regexp.pro b/src/proto/regexp.pro
index 099121e..5cdabb2 100644
--- a/src/proto/regexp.pro
+++ b/src/proto/regexp.pro
@@ -1,20 +1,20 @@
 /* regexp.c */
-int re_multiline __ARGS((regprog_T *prog));
-int re_lookbehind __ARGS((regprog_T *prog));
-char_u *skip_regexp __ARGS((char_u *startp, int dirc, int magic, char_u **newp));
-int vim_regcomp_had_eol __ARGS((void));
-void free_regexp_stuff __ARGS((void));
-reg_extmatch_T *ref_extmatch __ARGS((reg_extmatch_T *em));
-void unref_extmatch __ARGS((reg_extmatch_T *em));
-char_u *regtilde __ARGS((char_u *source, int magic));
-int vim_regsub __ARGS((regmatch_T *rmp, char_u *source, char_u *dest, int copy, int magic, int backslash));
-int vim_regsub_multi __ARGS((regmmatch_T *rmp, linenr_T lnum, char_u *source, char_u *dest, int copy, int magic, int backslash));
-char_u *reg_submatch __ARGS((int no));
-list_T *reg_submatch_list __ARGS((int no));
-regprog_T *vim_regcomp __ARGS((char_u *expr_arg, int re_flags));
-void vim_regfree __ARGS((regprog_T *prog));
-int vim_regexec_prog __ARGS((regprog_T **prog, int ignore_case, char_u *line, colnr_T col));
-int vim_regexec __ARGS((regmatch_T *rmp, char_u *line, colnr_T col));
-int vim_regexec_nl __ARGS((regmatch_T *rmp, char_u *line, colnr_T col));
-long vim_regexec_multi __ARGS((regmmatch_T *rmp, win_T *win, buf_T *buf, linenr_T lnum, colnr_T col, proftime_T *tm));
+int re_multiline(regprog_T *prog);
+int re_lookbehind(regprog_T *prog);
+char_u *skip_regexp(char_u *startp, int dirc, int magic, char_u **newp);
+int vim_regcomp_had_eol(void);
+void free_regexp_stuff(void);
+reg_extmatch_T *ref_extmatch(reg_extmatch_T *em);
+void unref_extmatch(reg_extmatch_T *em);
+char_u *regtilde(char_u *source, int magic);
+int vim_regsub(regmatch_T *rmp, char_u *source, char_u *dest, int copy, int magic, int backslash);
+int vim_regsub_multi(regmmatch_T *rmp, linenr_T lnum, char_u *source, char_u *dest, int copy, int magic, int backslash);
+char_u *reg_submatch(int no);
+list_T *reg_submatch_list(int no);
+regprog_T *vim_regcomp(char_u *expr_arg, int re_flags);
+void vim_regfree(regprog_T *prog);
+int vim_regexec_prog(regprog_T **prog, int ignore_case, char_u *line, colnr_T col);
+int vim_regexec(regmatch_T *rmp, char_u *line, colnr_T col);
+int vim_regexec_nl(regmatch_T *rmp, char_u *line, colnr_T col);
+long vim_regexec_multi(regmmatch_T *rmp, win_T *win, buf_T *buf, linenr_T lnum, colnr_T col, proftime_T *tm);
 /* vim: set ft=c : */