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gettimeofday

Synopsis:
          int gettimeofday(struct timeval *tv, void *tz);
     

Request:
Fgettimeofday,tvptr,tzptr
Return value:
On success, 0 is returned, -1 otherwise.
Errors:
EINVAL
tz is a non-NULL pointer.
EFAULT
tvptr and/or tzptr is an invalid pointer value.