1*1681Smckusick /* Copyright (c) 1979 Regents of the University of California */ 2*1681Smckusick 3*1681Smckusick static char sccsid[] = "@(#)READC.c 1.1 10/30/80"; 4*1681Smckusick 5*1681Smckusick #include "h00vars.h" 6*1681Smckusick #include "h01errs.h" 7*1681Smckusick 8*1681Smckusick char 9*1681Smckusick READC(curfile) 10*1681Smckusick 11*1681Smckusick register struct iorec *curfile; 12*1681Smckusick { 13*1681Smckusick char data; 14*1681Smckusick 15*1681Smckusick if (curfile->funit & FWRITE) { 16*1681Smckusick ERROR(EREADIT, curfile->pfname); 17*1681Smckusick return; 18*1681Smckusick } 19*1681Smckusick IOSYNC(curfile); 20*1681Smckusick if (curfile->funit & EOFF) { 21*1681Smckusick ERROR(EPASTEOF, curfile->pfname); 22*1681Smckusick return; 23*1681Smckusick } 24*1681Smckusick curfile->funit |= SYNC; 25*1681Smckusick return *curfile->fileptr; 26*1681Smckusick } 27