Function JSStringGetCharactersPtr 

pub unsafe extern "C-unwind" fn JSStringGetCharactersPtr(
    string: JSStringRef,
) -> *const JSChar

Available on crate features JSBase and JSStringRef only.

Returns a pointer to the Unicode character buffer that serves as the backing store for a JavaScript string.

Parameter string: The JSString whose backing store you want to access.

Returns: A pointer to the Unicode character buffer that serves as string’s backing store, which will be deallocated when string is deallocated.