- // returns number of bytes read or ofsInvalid on error
- size_t Read(void *pBuf, size_t nCount);
+ // returns number of bytes read or wxInvalidOffset on error
+ ssize_t Read(void *pBuf, size_t nCount);
// returns the number of bytes written
size_t Write(const void *pBuf, size_t nCount);
// returns true on success
// returns the number of bytes written
size_t Write(const void *pBuf, size_t nCount);
// returns true on success