time(2)                                                         time(2)

  time()

  NAME

    time() - get time of day

  SYNOPSIS

    #include 

    time_t time (time_t *tloc)

  DESCRIPTION

    The time(2) function returns the value of time in seconds since 0 hours, 0
    minutes, 0 seconds, January 1, 1970, Coordinated Universal Time.

    A copy of the time value may be saved to the area indicated by the pointer
    tloc. If tloc is a NULL pointer, no value is stored.

  RETURN VALUES

    Upon successful completion, time(2) returns the value of time. Otherwise a
    value of -1 is returned and the global variable errno is set to indicate
    the error.

  ERRORS

    The following error codes may be set in errno

    [EFAULT]
        An argument address referenced invalid memory.

    The time(2) call will also return -1 if the date is not in the range of
    1970 to 2105.

  SEE ALSO

    ctime(3)

  USAGE NOTES

    The time function is thread safe.

    The time function is async-signal safe.