patch 8.1.1104: MS-Windows: not all environment variables can be used commit https://github.com/vim/vim/commit/796cc42d3a4fc7a940da87831a111eeb6b7a5cf3 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Apr 3 20:31:00 2019 +0200 patch 8.1.1104: MS-Windows: not all environment variables can be used Problem: MS-Windows: not all environment variables can be used. Solution: Use the wide version of WinMain() and main(). (Ken Takata, closes #4206)

/* auto/if_perl.c */
int perl_enabled(int verbose);
void perl_end(void);
void msg_split(char_u *s, int attr);
void perl_win_free(win_T *wp);
void perl_buf_free(buf_T *bp);
void ex_perl(exarg_T *eap);
void do_perleval(char_u *str, typval_T *rettv);
void ex_perldo(exarg_T *eap);