ffi.exportString(string, pointer, length, encoding?): void
Attributes
Copies a JavaScript string into native memory and appends a trailing NUL terminator.
length must be large enough to hold the full encoded string plus the trailing
NUL terminator. For UTF-16 and UCS-2 encodings, the trailing terminator uses
two zero bytes.
pointer must refer to writable native memory with at least length bytes of
available storage. This function does not allocate memory on its own.
string must be a JavaScript string. encoding must be a string.