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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 | |
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6 | * provided that the above copyright notice and this paragraph are |
7 | * duplicated in all such forms and that any documentation, | |
8 | * advertising materials, and other materials related to such | |
9 | * distribution and use acknowledge that the software was developed | |
10 | * by the University of California, Berkeley. The name of the | |
11 | * University may not be used to endorse or promote products derived | |
12 | * from this software without specific prior written permission. | |
13 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR | |
14 | * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED | |
15 | * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. | |
897ce52e | 16 | * |
b36fc510 | 17 | * @(#)fdset.h 1.4 (Berkeley) %G% |
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18 | */ |
19 | ||
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20 | /* |
21 | * The following is defined just in case someone should want to run | |
22 | * this telnet on a 4.2 system. | |
23 | * | |
24 | */ | |
25 | ||
26 | #ifndef FD_SETSIZE | |
27 | ||
28 | #define FD_SET(n, p) ((p)->fds_bits[0] |= (1<<(n))) | |
29 | #define FD_CLR(n, p) ((p)->fds_bits[0] &= ~(1<<(n))) | |
30 | #define FD_ISSET(n, p) ((p)->fds_bits[0] & (1<<(n))) | |
31 | #define FD_ZERO(p) ((p)->fds_bits[0] = 0) | |
32 | ||
33 | #endif |