patch 8.2.2583: Vim9: cannot compare result of getenv() with null Commit: https://github.com/vim/vim/commit/7ad67d1150a1e48371d64e2919591c38b80e7cfc Author: Bram Moolenaar <Bram@vim.org> Date: Wed Mar 10 16:08:26 2021 +0100 patch 8.2.2583: Vim9: cannot compare result of getenv() with null Problem: Vim9: cannot compare result of getenv() with null. Solution: Make the return type of getenv() "any". (closes https://github.com/vim/vim/issues/7943)

/* viminfo.c */
int get_viminfo_parameter(int type);
int buf_compare(const void *s1, const void *s2);
void check_marks_read(void);
int read_viminfo(char_u *file, int flags);
void write_viminfo(char_u *file, int forceit);
void ex_viminfo(exarg_T *eap);
/* vim: set ft=c : */