Function libc::process_vm_readv

pub unsafe extern fn process_vm_readv(pid: pid_t,
                                      local_iov: *const iovec,
                                      liovcnt: c_ulong,
                                      remote_iov: *const iovec,
                                      riovcnt: c_ulong,
                                      flags: c_ulong)
                                      -> isize