text: #pragma once
  
  // gives version deltas
  int CheckV2MVersion(const unsigned char *inptr, const int inlen);
  
  // converts V2M to newest version
  void ConvertV2M(const unsigned char *inptr, const int inlen, unsigned char **outptr, int *outlen);
  
  extern const char * const v2mconv_errors[];
  
  unsigned long GetV2MPatchData(const unsigned char *inptr, const int inlen, 
                                unsigned char **outptr, const unsigned char **patchmap);
  