mps_push_sge
return (mps_push_sge(cm, &sge, sizeof sge, segsleft));
return (mps_push_sge(cm, &tc, sizeof tc, 0));
return (mps_push_sge(cm, &tc, sizeof tc, 0));
int mps_push_sge(struct mps_command *, void *, size_t, int);