commit https://github.com/vim/vim/commit/4d919d748e4e435edb135aa5ccf6ee7de9212023 Author: Bram Moolenaar <Bram@vim.org> Date: Fri Feb 5 22:36:41 2016 +0100 patch 7.4.1263 Problem: ch_open() hangs when the server isn't running. Solution: Add a timeout. Use a dict to pass arguments. (Yasuhiro Matsumoto)

/* crypt_zip.c */
void crypt_zip_init(cryptstate_T *state, char_u *key, char_u *salt, int salt_len, char_u *seed, int seed_len);
void crypt_zip_encode(cryptstate_T *state, char_u *from, size_t len, char_u *to);
void crypt_zip_decode(cryptstate_T *state, char_u *from, size_t len, char_u *to);
/* vim: set ft=c : */