date and time created 80/10/30 00:36:03 by mckusick

[unix-history] / usr / src / usr.bin / pascal / libpc / READ4.c

/* Copyright (c) 1979 Regents of the University of California */

static char sccsid[] = "@(#)READ4.c 1.1 %G%";

#include "h00vars.h"
#include "h01errs.h"

READ4(curfile)

       register struct iorec   *curfile;
{
       int                     data;

       if (curfile->funit & FWRITE) {
               ERROR(EREADIT, curfile->pfname);
               return;
       }
       UNSYNC(curfile);
       if (fscanf(curfile->fbuf, "%ld", &data) == 0) {
               ERROR(EBADINUM, curfile->pfname);
               return;
       }
       curfile->funit |= SYNC;
       return data;
}