io = t->tre.treio;
if(shp->envlist = argp = t->com.comset)
{
if(argn==0 || (np && nv_isattr(np,(BLT_DCL|BLT_SPC))))
if(argn==0 || (np && (nv_isattr(np,BLT_DCL)||(!command && nv_isattr(np,BLT_SPC)))))
Namval_t *tp=0;
if(argn)