+typedef size_t (*ReadFunc_t) (struct _KFile *fd, void *buf, size_t size);
+typedef size_t (*WriteFunc_t) (struct _KFile *fd, const void *buf, size_t size);
+typedef int32_t (*SeekFunc_t) (struct _KFile *fd, int32_t offset, KSeekMode whence);
+typedef bool (*OpenFunc_t) (struct _KFile *fd, const char *name, int mode);
+typedef bool (*CloseFunc_t) (struct _KFile *fd);