Creates a new GByteArray with reserved_size bytes preallocated.
This avoids frequent reallocation, if you are going to add many
bytes to the array. Note however that the size of the array is still 0.
Parameters
reserved_size
Type:guint
Number of bytes preallocated.
Return value
Type: An array of guint8
The new GByteArray.
The caller of the function takes ownership of the data, and is responsible for freeing it.