function allows the file offset to be set beyond the end
of the existing end-of-file of the file. If data is later written
at this point, subsequent reads of the data in the gap return
-bytes of zeros (until data is actualy written into the gap).
+bytes of zeros (until data is actually written into the gap).
.Pp
Some devices are incapable of seeking. The value of the pointer
associated with such a device is undefined.
Upon successful completion,
.Fn lseek
returns the resulting offset location as measured in bytes from the
-begining of the file.
+beginning of the file.
Otherwise,
a value of -1 is returned and
.Va errno