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Annotation of 43BSDReno/usr.bin/telnet/fdset.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1988 Regents of the University of California.
        !             3:  * All rights reserved.
        !             4:  *
        !             5:  * Redistribution and use in source and binary forms are permitted provided
        !             6:  * that: (1) source distributions retain this entire copyright notice and
        !             7:  * comment, and (2) distributions including binaries display the following
        !             8:  * acknowledgement:  ``This product includes software developed by the
        !             9:  * University of California, Berkeley and its contributors'' in the
        !            10:  * documentation or other materials provided with the distribution and in
        !            11:  * all advertising materials mentioning features or use of this software.
        !            12:  * Neither the name of the University nor the names of its contributors may
        !            13:  * be used to endorse or promote products derived from this software without
        !            14:  * specific prior written permission.
        !            15:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
        !            16:  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
        !            17:  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            18:  *
        !            19:  *     @(#)fdset.h     1.5 (Berkeley) 6/1/90
        !            20:  */
        !            21: 
        !            22: /*
        !            23:  * The following is defined just in case someone should want to run
        !            24:  * this telnet on a 4.2 system.
        !            25:  *
        !            26:  */
        !            27: 
        !            28: #ifndef        FD_SETSIZE
        !            29: 
        !            30: #define        FD_SET(n, p)    ((p)->fds_bits[0] |= (1<<(n)))
        !            31: #define        FD_CLR(n, p)    ((p)->fds_bits[0] &= ~(1<<(n)))
        !            32: #define        FD_ISSET(n, p)  ((p)->fds_bits[0] & (1<<(n)))
        !            33: #define FD_ZERO(p)     ((p)->fds_bits[0] = 0)
        !            34: 
        !            35: #endif

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