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2
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1 /* intercomd.h
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2 *
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3 * Copyright (C) DFS Deutsche Flugsicherung (2004, 2005).
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4 * All Rights Reserved.
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5 *
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6 * Voice over IP Intercom with Telephone conference and Acoustic Echo
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7 * Cancellation using unicast RTP messages (RFC3550)
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8 *
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9 * Version 0.2
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10 */
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11 #ifndef _INTERCOMD_H
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12
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13 #include <syslog.h>
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14
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15 #define ERROR (-1)
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16 #define OKAY 0
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17
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18 #define NO 0
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19 #define YES 1
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20
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21 /* Emit program info and abort the program if expr is false with errno */
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22 #define assert_errno(expr) \
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23 if(!(expr)) { \
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24 syslog(LOG_WARNING, "%s:%d: %s: Assertion '%s' failed. errno=%s\n", \
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25 __FILE__, __LINE__, __PRETTY_FUNCTION__, __STRING(expr), strerror(errno)); \
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26 exit(1); \
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27 }
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28
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29 /* Emit program info and return function if expr is true with retvalue */
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30 #define return_if(expr, retvalue) \
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31 if(expr) { \
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32 syslog(LOG_WARNING, "%s:%d: %s: Check '%s' failed.\n", \
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33 __FILE__, __LINE__, __PRETTY_FUNCTION__, __STRING(expr)); \
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34 return(retvalue); \
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35 }
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36
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37 int print_gui(const char *fmt, ...);
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38
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39 #define _INTERCOMD_H
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40 #endif
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