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Annotation of researchv10no/ncurses/screen/_fixdelay.c, revision 1.1.1.1

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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