smb_rq_alloc
error = smb_rq_alloc(t2p->t2_source, t2p->t_name ?
int smb_rq_alloc(struct smb_connobj *layer, u_char cmd,
error = smb_rq_alloc(VCTOCP(vcp), SMB_COM_NEGOTIATE, scred, &rqp);
error = smb_rq_alloc(VCTOCP(vcp), SMB_COM_SESSION_SETUP_ANDX, scred, &rqp);
error = smb_rq_alloc(VCTOCP(vcp), SMB_COM_LOGOFF_ANDX, scred, &rqp);
error = smb_rq_alloc(SSTOCP(ssp), SMB_COM_TREE_CONNECT_ANDX, scred, &rqp);
error = smb_rq_alloc(SSTOCP(ssp), SMB_COM_TREE_DISCONNECT, scred, &rqp);
error = smb_rq_alloc(SSTOCP(ssp), SMB_COM_READ, scred, &rqp);
error = smb_rq_alloc(SSTOCP(ssp), SMB_COM_WRITE, scred, &rqp);
error = smb_rq_alloc(VCTOCP(vcp), SMB_COM_ECHO, scred, &rqp);
error = smb_rq_alloc(SSTOCP(ctx->f_ssp), SMB_COM_SEARCH, ctx->f_scred, &rqp);