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Annotation of researchv10no/ncurses/screen/_fixdelay.c, revision 1.1

1.1     ! root        1: #include "curses.ext"
        !             2: /*     @(#) _fixdelay.c: 1.1 10/15/83  (1.19   3/17/83)        */
        !             3: 
        !             4: /*
        !             5:  * The use has just changed his notion of whether we want nodelay mode.
        !             6:  * Do any system dependent processing.
        !             7:  */
        !             8: /* ARGSUSED */
        !             9: _fixdelay(old, new)
        !            10: bool old, new;
        !            11: {
        !            12: #ifdef USG
        !            13: # include <fcntl.h>
        !            14:        int fl, rv, fd;
        !            15:        extern int errno;
        !            16:        FILE    *inf;
        !            17: 
        !            18:        inf = SP -> term_file;
        !            19:        if( inf == stdout )
        !            20:        {
        !            21:                inf = stdin;
        !            22:        }
        !            23:        fd = fileno( inf );
        !            24:        fl = fcntl(fd, F_GETFL, 0);
        !            25:        if (new)
        !            26:                fl |= O_NDELAY;
        !            27:        else
        !            28:                fl &= ~O_NDELAY;
        !            29:        if (old != new)
        !            30:                rv = fcntl(fd, F_SETFL, fl);
        !            31: #else
        !            32:        /* No system dependent processing on the V7 or Berkeley systems. */
        !            33: #endif
        !            34: }

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