Function switch_core_chat_send_args 

pub unsafe extern "C" fn switch_core_chat_send_args(
    dest_proto: *const c_char,
    proto: *const c_char,
    from: *const c_char,
    to: *const c_char,
    subject: *const c_char,
    body: *const c_char,
    type_: *const c_char,
    hint: *const c_char,
    blocking: switch_bool_t,
) -> switch_status_t