Function libcryptsetup_sys::crypt_activate_by_passphrase

pub unsafe extern "C" fn crypt_activate_by_passphrase(
    cd: *mut crypt_device, 
    name: *const c_char, 
    keyslot: c_int, 
    passphrase: *const c_char, 
    passphrase_size: size_t, 
    flags: u32
) -> c_int