Function notmuch_sys::notmuch_database_set_config

pub unsafe extern "C" fn notmuch_database_set_config(
    db: *mut notmuch_database_t, 
    key: *const c_char, 
    value: *const c_char
) -> notmuch_status_t

set config 'key' to 'value'

@since libnotmuch 4.4 (notmuch 0.23)