commit https://github.com/vim/vim/commit/8b374215ccd35003b95ba1df8f12e03bf8a8adc3 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Feb 24 20:43:06 2016 +0100 patch 7.4.1413 Problem: When calling ch_close() the close callback is invoked, even though the docs say it isn't. (Christian J. Robinson) Solution: Don't call the close callback.

/* 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 : */