new file mode 100644
--- /dev/null
+++ b/src/proto/buffer.pro
@@ -0,0 +1,66 @@
+/* buffer.c */
+int open_buffer __ARGS((int read_stdin, exarg_T *eap));
+int buf_valid __ARGS((buf_T *buf));
+void close_buffer __ARGS((win_T *win, buf_T *buf, int action));
+void buf_clear_file __ARGS((buf_T *buf));
+void buf_freeall __ARGS((buf_T *buf, int del_buf, int wipe_buf));
+void goto_buffer __ARGS((exarg_T *eap, int start, int dir, int count));
+void handle_swap_exists __ARGS((buf_T *old_curbuf));
+char_u *do_bufdel __ARGS((int command, char_u *arg, int addr_count, int start_bnr, int end_bnr, int forceit));
+int do_buffer __ARGS((int action, int start, int dir, int count, int forceit));
+void set_curbuf __ARGS((buf_T *buf, int action));
+void enter_buffer __ARGS((buf_T *buf));
+buf_T *buflist_new __ARGS((char_u *ffname, char_u *sfname, linenr_T lnum, int flags));
+void free_buf_options __ARGS((buf_T *buf, int free_p_ff));
+int buflist_getfile __ARGS((int n, linenr_T lnum, int options, int forceit));
+void buflist_getfpos __ARGS((void));
+buf_T *buflist_findname __ARGS((char_u *ffname));
+int buflist_findpat __ARGS((char_u *pattern, char_u *pattern_end, int unlisted, int diffmode));
+int ExpandBufnames __ARGS((char_u *pat, int *num_file, char_u ***file, int options));
+buf_T *buflist_findnr __ARGS((int nr));
+char_u *buflist_nr2name __ARGS((int n, int fullname, int helptail));
+void get_winopts __ARGS((buf_T *buf));
+pos_T *buflist_findfpos __ARGS((buf_T *buf));
+linenr_T buflist_findlnum __ARGS((buf_T *buf));
+void buflist_list __ARGS((exarg_T *eap));
+int buflist_name_nr __ARGS((int fnum, char_u **fname, linenr_T *lnum));
+int setfname __ARGS((buf_T *buf, char_u *ffname, char_u *sfname, int message));
+void buf_name_changed __ARGS((buf_T *buf));
+buf_T *setaltfname __ARGS((char_u *ffname, char_u *sfname, linenr_T lnum));
+char_u *getaltfname __ARGS((int errmsg));
+int buflist_add __ARGS((char_u *fname, int flags));
+void buflist_slash_adjust __ARGS((void));
+void buflist_altfpos __ARGS((void));
+int otherfile __ARGS((char_u *ffname));
+void buf_setino __ARGS((buf_T *buf));
+void fileinfo __ARGS((int fullname, int shorthelp, int dont_truncate));
+void col_print __ARGS((char_u *buf, int col, int vcol));
+void maketitle __ARGS((void));
+void resettitle __ARGS((void));
+int build_stl_str_hl __ARGS((win_T *wp, char_u *out, size_t outlen, char_u *fmt, int fillchar, int maxwidth, struct stl_hlrec *hl));
+void get_rel_pos __ARGS((win_T *wp, char_u *str));
+int append_arg_number __ARGS((win_T *wp, char_u *buf, int add_file, int maxlen));
+char_u *fix_fname __ARGS((char_u *fname));
+void fname_expand __ARGS((buf_T *buf, char_u **ffname, char_u **sfname));
+char_u *alist_name __ARGS((aentry_T *aep));
+void do_arg_all __ARGS((int count, int forceit));
+void ex_buffer_all __ARGS((exarg_T *eap));
+void do_modelines __ARGS((void));
+int read_viminfo_bufferlist __ARGS((vir_T *virp, int writing));
+void write_viminfo_bufferlist __ARGS((FILE *fp));
+char *buf_spname __ARGS((buf_T *buf));
+void buf_addsign __ARGS((buf_T *buf, int id, linenr_T lnum, int typenr));
+int buf_change_sign_type __ARGS((buf_T *buf, int markId, int typenr));
+int_u buf_getsigntype __ARGS((buf_T *buf, linenr_T lnum, int type));
+linenr_T buf_delsign __ARGS((buf_T *buf, int id));
+int buf_findsign __ARGS((buf_T *buf, int id));
+int buf_findsign_id __ARGS((buf_T *buf, linenr_T lnum));
+int buf_findsigntype_id __ARGS((buf_T *buf, linenr_T lnum, int typenr));
+int buf_signcount __ARGS((buf_T *buf, linenr_T lnum));
+void buf_delete_all_signs __ARGS((void));
+void sign_list_placed __ARGS((buf_T *rbuf));
+void sign_mark_adjust __ARGS((linenr_T line1, linenr_T line2, long amount, long amount_after));
+void set_buflisted __ARGS((int on));
+int buf_contents_changed __ARGS((buf_T *buf));
+void wipe_buffer __ARGS((buf_T *buf, int aucmd));
+/* vim: set ft=c : */