Function exists

classpath/java-io.cpp:131–139

#endif

inline bool exists(string_t path)
{
#ifdef PLATFORM_WINDOWS
  return GetFileAttributesW(path) != INVALID_FILE_ATTRIBUTES;
#else
  STRUCT_STAT s;
  return STAT(path, &s) == 0;
#endif
}

inline int doOpen(JNIEnv* e, string_t path, int mask)
{