patch 8.2.0554: the GUI doesn't set t_Co Commit: https://github.com/vim/vim/commit/acc770a10f65107131473ea2ab4ae5d429dfe172 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Apr 12 15:11:06 2020 +0200 patch 8.2.0554: the GUI doesn't set t_Co Problem: The GUI doesn't set t_Co. Solution: In the GUI set t_Co to 256 * 256 * 256. (closes https://github.com/vim/vim/issues/5903)

/* cindent.c */
int cin_is_cinword(char_u *line);
pos_T *find_start_comment(int ind_maxcomment);
int cindent_on(void);
void parse_cino(buf_T *buf);
int get_c_indent(void);
int in_cinkeys(int keytyped, int when, int line_is_empty);
void do_c_expr_indent(void);
void f_cindent(typval_T *argvars, typval_T *rettv);
/* vim: set ft=c : */