Gets the contents of an array of strings
GVariant. This call
makes a shallow copy; the return result should be released with
g_free(), but the individual strings must not be modified.
length is non-
NULL then the number of elements in the result
is stored there. In any case, the resulting array will be
For an empty array,
length will be set to 0 and a pointer to a
NULL pointer will be returned.
The length of the result, or
The argument will be set by the function. The argument can be