patch 8.0.1709: some non-C89 code may slip through commit https://github.com/vim/vim/commit/2e324950b83fcdf60843b54a6a339183370f338a Author: Bram Moolenaar <Bram@vim.org> Date: Sat Apr 14 14:37:07 2018 +0200 patch 8.0.1709: some non-C89 code may slip through Problem: Some non-C89 code may slip through. Solution: Enforce C89 in configure. Fix detected problems. (James McCoy, closes #2735)

/* if_python3.c */
int python3_enabled(int verbose);
void python3_end(void);
int python3_loaded(void);
void ex_py3(exarg_T *eap);
void ex_py3file(exarg_T *eap);
void ex_py3do(exarg_T *eap);
void python3_buffer_free(buf_T *buf);
void python3_window_free(win_T *win);
void python3_tabpage_free(tabpage_T *tab);
void do_py3eval(char_u *str, typval_T *rettv);
int set_ref_in_python3(int copyID);
/* vim: set ft=c : */