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Annotation of 43BSDTahoe/usr.lib/libpc/READC.c, revision 1.1

1.1     ! root        1: /* Copyright (c) 1979 Regents of the University of California */
        !             2: 
        !             3: static char sccsid[] = "@(#)READC.c 1.2 6/10/81";
        !             4: 
        !             5: #include "h00vars.h"
        !             6: 
        !             7: char
        !             8: READC(curfile)
        !             9: 
        !            10:        register struct iorec   *curfile;
        !            11: {
        !            12:        char                    data;
        !            13: 
        !            14:        if (curfile->funit & FWRITE) {
        !            15:                ERROR("%s: Attempt to read, but open for writing\n",
        !            16:                        curfile->pfname);
        !            17:                return;
        !            18:        }
        !            19:        IOSYNC(curfile);
        !            20:        if (curfile->funit & EOFF) {
        !            21:                ERROR("%s: Tried to read past end of file\n", curfile->pfname);
        !            22:                return;
        !            23:        }
        !            24:        curfile->funit |= SYNC;
        !            25:        return *curfile->fileptr;
        !            26: }

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