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Annotation of researchv10no/cmd/ex/termlib/ioctl.c, revision 1.1

1.1     ! root        1: /*     @(#)ioctl.c     3.3     */
        !             2: #include <sgtty.h>
        !             3: 
        !             4: static struct termcb termst;
        !             5:        static int termfl, termtyp;
        !             6: 
        !             7: Ioctl() {
        !             8:        register char *p;
        !             9: 
        !            10:        /*
        !            11:         * SAVE TERMINAL INFO ... CB MOD (tjc)
        !            12:         */
        !            13:        ioctl(1,DIOCGETT,&termst);
        !            14:        termfl = termst.st_flgs;
        !            15:        termtyp = termst.st_termt;
        !            16:        if((p = getenv("TERM")) != 0)
        !            17:                if( (!strcmp(p+5, "VIRTUAL")) && (!strcmp(p+5, "virtual")))
        !            18:                        return;
        !            19:        termst.st_termt = 0;
        !            20:        termst.st_flgs = 0;
        !            21:        ioctl(1,DIOCSETT,&termst);
        !            22: 
        !            23: }
        !            24: 
        !            25: unIoctl()
        !            26: {
        !            27: 
        !            28:        /*
        !            29:         * RESTORE TERMINAL TYPE ... CB MOD
        !            30:         */
        !            31: 
        !            32:        termst.st_termt = termtyp;
        !            33:        termst.st_flgs = termfl;
        !            34:        ioctl(1,DIOCSETT,&termst);
        !            35: }
        !            36: 
        !            37: exit(i)
        !            38:        int i;
        !            39: {
        !            40:        unIoctl();
        !            41:        _exit(i);
        !            42: }
        !            43: 

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