commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b Author: Bram Moolenaar <Bram@vim.org> Date: Sat Feb 13 23:23:53 2016 +0100 patch 7.4.1315 Problem: Using a channel handle does not allow for freeing it when unused. Solution: Add the Channel variable type.

/* if_ruby.c */
int ruby_enabled(int verbose);
void ruby_end(void);
void ex_ruby(exarg_T *eap);
void ex_rubydo(exarg_T *eap);
void ex_rubyfile(exarg_T *eap);
void ruby_buffer_free(buf_T *buf);
void ruby_window_free(win_T *win);
void vim_ruby_init(void *stack_start);
/* vim: set ft=c : */