int LoadFileToMemory( const char* fileName, char** data )
{
   FILE* f = fopen( fileName, "rb" );
   fseek( f, 0, SEEK_END );
   int sz = ftell( f );
   fseek( f, 0, SEEK_SET );
   *data = (char*)malloc( sz );
   fread( *data, 1, sz, f );
   fclose( f );
   return sz;
};
//Использовать так:
char* modelData;
int size = LoadFileToMemory( "myfile.ply", &modelData );