diff --git a/src/proto/scriptfile.pro b/src/proto/scriptfile.pro
index 510fb56..a38f258 100644
--- a/src/proto/scriptfile.pro
+++ b/src/proto/scriptfile.pro
@@ -6,6 +6,8 @@
 estack_T *estack_pop(void);
 char_u *estack_sfile(estack_arg_T which);
 void ex_runtime(exarg_T *eap);
+int find_script_by_name(char_u *name);
+int get_new_scriptitem_for_fname(int *error, char_u *fname);
 int do_in_path(char_u *path, char_u *name, int flags, void (*callback)(char_u *fname, void *ck), void *cookie);
 int do_in_runtimepath(char_u *name, int flags, void (*callback)(char_u *fname, void *ck), void *cookie);
 int source_runtime(char_u *name, int flags);
diff --git a/src/proto/userfunc.pro b/src/proto/userfunc.pro
index ad57855..91d5711 100644
--- a/src/proto/userfunc.pro
+++ b/src/proto/userfunc.pro
@@ -8,6 +8,7 @@
 void emsg_funcname(char *ermsg, char_u *name);
 int get_func_tv(char_u *name, int len, typval_T *rettv, char_u **arg, evalarg_T *evalarg, funcexe_T *funcexe);
 char_u *fname_trans_sid(char_u *name, char_u *fname_buf, char_u **tofree, int *error);
+void func_name_with_sid(char_u *name, int sid, char_u *buffer);
 ufunc_T *find_func_even_dead(char_u *name, int flags);
 ufunc_T *find_func(char_u *name, int is_global);
 int func_is_global(ufunc_T *ufunc);
diff --git a/src/proto/vim9instr.pro b/src/proto/vim9instr.pro
index 52a7c79..535673c 100644
--- a/src/proto/vim9instr.pro
+++ b/src/proto/vim9instr.pro
@@ -54,6 +54,7 @@
 int generate_STRINGMEMBER(cctx_T *cctx, char_u *name, size_t len);
 int generate_ECHO(cctx_T *cctx, int with_white, int count);
 int generate_MULT_EXPR(cctx_T *cctx, isntype_T isn_type, int count);
+int generate_SOURCE(cctx_T *cctx, int sid);
 int generate_PUT(cctx_T *cctx, int regname, linenr_T lnum);
 int generate_EXEC_copy(cctx_T *cctx, isntype_T isntype, char_u *line);
 int generate_EXEC(cctx_T *cctx, isntype_T isntype, char_u *str);