《Unix网络编程》第一卷第三版unp.h.pdfVIP

/*includeunph*/

/*Ourownheader.Tabsaresetfor4spaces,not8*/

#ifndef__unp_h

#define__unp_h

#include/*configurationoptionsforcurrentOS*/

/*Ifanythingchangesinthefollowinglistof#includes,mustchange

acsite.m4also,forconfigurestests.*/

#includesys/types.h/*basicsystemdatatypes*/

#includesys/socket.h/*basicsocketdefinitions*/

#ifTIME_WITH_SYS_TIME

#includesys/time.h/*timeval{}forselect()*/

#includetime.h/*timespec{}forpselect()*/

#else

#ifHAVE_SYS_TIME_H

#includesys/time.h/*includestime.hunsafely*/

#else

#includetime.h/*oldsystem?*/

#endif

#endif

#includenetinet/in.h/*sockaddr_in{}andotherInternetdefns*/

#includearpa/inet.h/*inet(3)functions*/

#includeerrno.h

#includefcntl.h/*fornonblocking*/

#includenetdb.h

#includesignal.h

#includestdio.h

#includestdlib.h

#includestring.h

#includesys/stat.h/*forS_xxxfilemodeconstants*/

#includesys/uio.h/*foriovec{}andreadv/writev*/

#includeunistd.h

#includesys/wait.h

#includesys/un.h/*forUnixdomainsockets*/

#ifdefHAVE_SYS_SELECT_H

#includesys/select.h/*forconvenience*/

#endif

#ifdefHAVE_SYS_SYSCTL_H

#ifdefHAVE_SYS_PARAM_H

#includesys/param.h/*OpenBSDprereqforsysctl.h*/

#endif

#includesys/sysctl.h

#endif

#ifdefHAVE_POLL_H

#includepoll.h/*forconvenience*/

#endif

#ifdefHAVE_SYS_EVENT_H

#includesys/event.h/*forkqueue*/

#endif

#ifdefHAVE_STRINGS_H

#includestrings.h/*forconvenience*/

#endif

/*Threeheadersarenormallyneededforsocket/fileioctls:

*sys/ioctl.h,sys/filio.h,andsys/sockio.h.

*/

#ifdefHAVE_SYS_IOCTL_H

#includesys/ioctl.h

#endif

#ifdefHAVE_SYS_FILIO_H

#includesys/filio.h

#endif

#ifdefHAV