diff --git a/src/proto/charset.pro b/src/proto/charset.pro
index 4b6890d..a6f4802 100644
--- a/src/proto/charset.pro
+++ b/src/proto/charset.pro
@@ -1,56 +1,56 @@
 /* charset.c */
-int init_chartab __ARGS((void));
-int buf_init_chartab __ARGS((buf_T *buf, int global));
-void trans_characters __ARGS((char_u *buf, int bufsize));
-char_u *transstr __ARGS((char_u *s));
-char_u *str_foldcase __ARGS((char_u *str, int orglen, char_u *buf, int buflen));
-char_u *transchar __ARGS((int c));
-char_u *transchar_byte __ARGS((int c));
-void transchar_nonprint __ARGS((char_u *buf, int c));
-void transchar_hex __ARGS((char_u *buf, int c));
-int byte2cells __ARGS((int b));
-int char2cells __ARGS((int c));
-int ptr2cells __ARGS((char_u *p));
-int vim_strsize __ARGS((char_u *s));
-int vim_strnsize __ARGS((char_u *s, int len));
-int chartabsize __ARGS((char_u *p, colnr_T col));
-int linetabsize __ARGS((char_u *s));
-int win_linetabsize __ARGS((win_T *wp, char_u *p, colnr_T len));
-int vim_isIDc __ARGS((int c));
-int vim_iswordc __ARGS((int c));
-int vim_iswordp __ARGS((char_u *p));
-int vim_iswordc_buf __ARGS((char_u *p, buf_T *buf));
-int vim_isfilec __ARGS((int c));
-int vim_isprintc __ARGS((int c));
-int vim_isprintc_strict __ARGS((int c));
-int lbr_chartabsize __ARGS((unsigned char *s, colnr_T col));
-int lbr_chartabsize_adv __ARGS((char_u **s, colnr_T col));
-int win_lbr_chartabsize __ARGS((win_T *wp, char_u *s, colnr_T col, int *headp));
-int in_win_border __ARGS((win_T *wp, colnr_T vcol));
-void getvcol __ARGS((win_T *wp, pos_T *pos, colnr_T *start, colnr_T *cursor, colnr_T *end));
-colnr_T getvcol_nolist __ARGS((pos_T *posp));
-void getvvcol __ARGS((win_T *wp, pos_T *pos, colnr_T *start, colnr_T *cursor, colnr_T *end));
-void getvcols __ARGS((win_T *wp, pos_T *pos1, pos_T *pos2, colnr_T *left, colnr_T *right));
-char_u *skipwhite __ARGS((char_u *p));
-char_u *skipdigits __ARGS((char_u *p));
-char_u *skiphex __ARGS((char_u *p));
-char_u *skiptodigit __ARGS((char_u *p));
-char_u *skiptohex __ARGS((char_u *p));
-int vim_isdigit __ARGS((int c));
-int vim_isxdigit __ARGS((int c));
-int vim_islower __ARGS((int c));
-int vim_isupper __ARGS((int c));
-int vim_toupper __ARGS((int c));
-int vim_tolower __ARGS((int c));
-char_u *skiptowhite __ARGS((char_u *p));
-char_u *skiptowhite_esc __ARGS((char_u *p));
-long getdigits __ARGS((char_u **pp));
-int vim_isblankline __ARGS((char_u *lbuf));
-void vim_str2nr __ARGS((char_u *start, int *hexp, int *len, int dooct, int dohex, long *nptr, unsigned long *unptr));
-int hex2nr __ARGS((int c));
-int hexhex2nr __ARGS((char_u *p));
-int rem_backslash __ARGS((char_u *str));
-void backslash_halve __ARGS((char_u *p));
-char_u *backslash_halve_save __ARGS((char_u *p));
-void ebcdic2ascii __ARGS((char_u *buffer, int len));
+extern int init_chartab __ARGS((void));
+extern int buf_init_chartab __ARGS((buf_T *buf, int global));
+extern void trans_characters __ARGS((char_u *buf, int bufsize));
+extern char_u *transstr __ARGS((char_u *s));
+extern char_u *str_foldcase __ARGS((char_u *str, int orglen, char_u *buf, int buflen));
+extern char_u *transchar __ARGS((int c));
+extern char_u *transchar_byte __ARGS((int c));
+extern void transchar_nonprint __ARGS((char_u *buf, int c));
+extern void transchar_hex __ARGS((char_u *buf, int c));
+extern int byte2cells __ARGS((int b));
+extern int char2cells __ARGS((int c));
+extern int ptr2cells __ARGS((char_u *p));
+extern int vim_strsize __ARGS((char_u *s));
+extern int vim_strnsize __ARGS((char_u *s, int len));
+extern int chartabsize __ARGS((char_u *p, colnr_T col));
+extern int linetabsize __ARGS((char_u *s));
+extern int win_linetabsize __ARGS((win_T *wp, char_u *p, colnr_T len));
+extern int vim_isIDc __ARGS((int c));
+extern int vim_iswordc __ARGS((int c));
+extern int vim_iswordp __ARGS((char_u *p));
+extern int vim_iswordc_buf __ARGS((char_u *p, buf_T *buf));
+extern int vim_isfilec __ARGS((int c));
+extern int vim_isprintc __ARGS((int c));
+extern int vim_isprintc_strict __ARGS((int c));
+extern int lbr_chartabsize __ARGS((unsigned char *s, colnr_T col));
+extern int lbr_chartabsize_adv __ARGS((char_u **s, colnr_T col));
+extern int win_lbr_chartabsize __ARGS((win_T *wp, char_u *s, colnr_T col, int *headp));
+extern int in_win_border __ARGS((win_T *wp, colnr_T vcol));
+extern void getvcol __ARGS((win_T *wp, pos_T *pos, colnr_T *start, colnr_T *cursor, colnr_T *end));
+extern colnr_T getvcol_nolist __ARGS((pos_T *posp));
+extern void getvvcol __ARGS((win_T *wp, pos_T *pos, colnr_T *start, colnr_T *cursor, colnr_T *end));
+extern void getvcols __ARGS((win_T *wp, pos_T *pos1, pos_T *pos2, colnr_T *left, colnr_T *right));
+extern char_u *skipwhite __ARGS((char_u *p));
+extern char_u *skipdigits __ARGS((char_u *p));
+extern char_u *skiphex __ARGS((char_u *p));
+extern char_u *skiptodigit __ARGS((char_u *p));
+extern char_u *skiptohex __ARGS((char_u *p));
+extern int vim_isdigit __ARGS((int c));
+extern int vim_isxdigit __ARGS((int c));
+extern int vim_islower __ARGS((int c));
+extern int vim_isupper __ARGS((int c));
+extern int vim_toupper __ARGS((int c));
+extern int vim_tolower __ARGS((int c));
+extern char_u *skiptowhite __ARGS((char_u *p));
+extern char_u *skiptowhite_esc __ARGS((char_u *p));
+extern long getdigits __ARGS((char_u **pp));
+extern int vim_isblankline __ARGS((char_u *lbuf));
+extern void vim_str2nr __ARGS((char_u *start, int *hexp, int *len, int dooct, int dohex, long *nptr, unsigned long *unptr));
+extern int hex2nr __ARGS((int c));
+extern int hexhex2nr __ARGS((char_u *p));
+extern int rem_backslash __ARGS((char_u *str));
+extern void backslash_halve __ARGS((char_u *p));
+extern char_u *backslash_halve_save __ARGS((char_u *p));
+extern void ebcdic2ascii __ARGS((char_u *buffer, int len));
 /* vim: set ft=c : */