1 /* Copyright (c) 1979 Regents of the University of California */ 2 3 static char sccsid[] = "@(#)READ4.c 1.1 10/30/80"; 4 5 #include "h00vars.h" 6 #include "h01errs.h" 7 8 READ4(curfile) 9 10 register struct iorec *curfile; 11 { 12 int data; 13 14 if (curfile->funit & FWRITE) { 15 ERROR(EREADIT, curfile->pfname); 16 return; 17 } 18 UNSYNC(curfile); 19 if (fscanf(curfile->fbuf, "%ld", &data) == 0) { 20 ERROR(EBADINUM, curfile->pfname); 21 return; 22 } 23 curfile->funit |= SYNC; 24 return data; 25 } 26