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setclock(3)


NAME

  setclock - Set value of system-wide clock


SYNOPSIS

  #include <sys/timers.h>

  int setclock(
	  int clktyp,
	  struct timespec *val );


LIBRARY

  Standard C Library (libc)


PARAMETERS

  clktyp
      Specifies a system-wide clock whose symbolic name must be TIMEOFDAY.

  val Points to the location where the value of the time to set into the
      clock specified by the clktyp parameter is stored.


DESCRIPTION

  The setclock() function sets a time value into the system-wide clock whose
  symbolic name is specified by the clktyp parameter, which must be
  TIMEOFDAY, defined in the sys/timers.h header file.

  The source of the current value of time set into the system-wide time-of-
  day clock by this function is stored in space reserved by a type timespec
  structure pointed to by the val parameter.  This time information is the
  amount of time since the epoch. The epoch is referenced to 00:00:00 GMT
  (Greenwich Mean Time) 1 Jan 1970. The timespec structure, which is also
  defined in the sys/timers.h header file has the following members:

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