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Annotation of 43BSDReno/usr.bin/telnet/fdset.h, revision 1.1.1.1

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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