1 /* Copyright (c) 1979 Regents of the University of California */ 2 3 static char sccsid[] = "@(#)UNIT.c 1.1 10/30/80"; 4 5 #include "h00vars.h" 6 #include "h01errs.h" 7 8 struct iorec * 9 UNIT(curfile) 10 11 register struct iorec *curfile; 12 { 13 if (curfile->fblk >= MAXFILES || _actfile[curfile->fblk] != curfile) { 14 ERROR(ENOFILE, 0); 15 return; 16 } 17 if (curfile->funit & FDEF) { 18 ERROR(EREFINAF, curfile->pfname); 19 return; 20 } 21 return curfile; 22 } 23