Function libevent_sys::process_vm_writev

pub unsafe extern "C" fn process_vm_writev(
    __pid: pid_t,
    __lvec: *const iovec,
    __liovcnt: c_ulong,
    __rvec: *const iovec,
    __riovcnt: c_ulong,
    __flags: c_ulong
) -> ssize_t