commit https://github.com/vim/vim/commit/bbe8d91e695184771d7e45315258fab8eb3e6b07 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Jun 5 16:10:57 2016 +0200 patch 7.4.1902 Problem: No test for collapsing buffers for a channel. Some text is lost. Solution: Add a simple test. Set rq_buflen correctly.

/* 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 : */