diff --git a/src/proto/evalvars.pro b/src/proto/evalvars.pro
index 1d557f5..ff2f58f 100644
--- a/src/proto/evalvars.pro
+++ b/src/proto/evalvars.pro
@@ -33,6 +33,7 @@
 void set_vim_var_nr(int idx, varnumber_T val);
 char *get_vim_var_name(int idx);
 typval_T *get_vim_var_tv(int idx);
+int set_vim_var_tv(int idx, typval_T *tv);
 varnumber_T get_vim_var_nr(int idx);
 char_u *get_vim_var_str(int idx);
 list_T *get_vim_var_list(int idx);
diff --git a/src/proto/misc1.pro b/src/proto/misc1.pro
index 2f7bd03..e4f2c3d 100644
--- a/src/proto/misc1.pro
+++ b/src/proto/misc1.pro
@@ -31,6 +31,7 @@
 void expand_env_esc(char_u *srcp, char_u *dst, int dstlen, int esc, int one, char_u *startstr);
 char_u *vim_getenv(char_u *name, int *mustfree);
 void vim_unsetenv(char_u *var);
+void vim_setenv_ext(char_u *name, char_u *val);
 void vim_setenv(char_u *name, char_u *val);
 char_u *get_env_name(expand_T *xp, int idx);
 char_u *get_users(expand_T *xp, int idx);