/*  The oSIP library implements the Session Initiation Protocol (SIP -rfc3261-)  Copyright (C) 2001,2002,2003,2004,2005,2006,2007 Aymeric MOIZARD jack@atosc.org    This library is free software; you can redistribute it and/or  modify it under the terms of the GNU Lesser General Public  License as published by the Free Software Foundation; either  version 2.1 of the License, or (at your option) any later version.    This library is distributed in the hope that it will be useful,  but WITHOUT ANY WARRANTY; without even the implied warranty of  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU  Lesser General Public License for more details.    You should have received a copy of the GNU Lesser General Public  License along with this library; if not, write to the Free Software  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA*/#ifndef _OSIP_TIME_H_#define _OSIP_TIME_H_#ifdef __cplusplusextern "C"{#endif/* Common time-related functions and data types */#if defined(_WIN32_WCE)struct _timeb {  time_t time;  unsigned short millitm;  short timezone;  short dstflag;};#endif/* struct timeval, as defined in <sys/time.h>, <winsock.h> or <winsock2.h> */  struct timeval;/* Time manipulation functions */  void add_gettimeofday (struct timeval *atv, int ms);  void min_timercmp (struct timeval *tv1, struct timeval *tv2);/* OS-dependent */#if defined(WIN32) || defined(_WIN32_WCE) || defined (__VXWORKS_OS__) || defined(__arc__)/* Operations on struct timeval */#define osip_timerisset(tvp)         ((tvp)->tv_sec || (tvp)->tv_usec)# define osip_timercmp(a, b, CMP)                          \  (((a)->tv_sec == (b)->tv_sec) ?                          \   ((a)->tv_usec CMP (b)->tv_usec) :                       \   ((a)->tv_sec CMP (b)->tv_sec))#define osip_timerclear(tvp)         (tvp)->tv_sec = (tvp)->tv_usec = 0/* osip_gettimeofday() for Windows */#if defined(__arc__)#define osip_gettimeofday gettimeofday#else  int osip_gettimeofday (struct timeval *tp, void *tz);#endif#else/* Operations on struct timeval */#define osip_timerisset(tvp)            timerisset(tvp)#define osip_timercmp(tvp, uvp, cmp)    timercmp(tvp,uvp,cmp)#define osip_timerclear(tvp)            timerclear(tvp)/* osip_gettimeofday() == gettimeofday() */#define osip_gettimeofday gettimeofday#endif#ifdef __cplusplus}#endif#endif