11681Smckusick /* Copyright (c) 1979 Regents of the University of California */ 21681Smckusick 3*3869Smckusic static char sccsid[] = "@(#)READC.c 1.2 06/10/81"; 41681Smckusick 51681Smckusick #include "h00vars.h" 61681Smckusick 71681Smckusick char 81681Smckusick READC(curfile) 91681Smckusick 101681Smckusick register struct iorec *curfile; 111681Smckusick { 121681Smckusick char data; 131681Smckusick 141681Smckusick if (curfile->funit & FWRITE) { 15*3869Smckusic ERROR("%s: Attempt to read, but open for writing\n", 16*3869Smckusic curfile->pfname); 171681Smckusick return; 181681Smckusick } 191681Smckusick IOSYNC(curfile); 201681Smckusick if (curfile->funit & EOFF) { 21*3869Smckusic ERROR("%s: Tried to read past end of file\n", curfile->pfname); 221681Smckusick return; 231681Smckusick } 241681Smckusick curfile->funit |= SYNC; 251681Smckusick return *curfile->fileptr; 261681Smckusick } 27