typedef int (*tLVM_ReadFcn)(void *, Uint64, size_t, void *);
typedef int (*tLVM_WriteFcn)(void *, Uint64, size_t, const void *);
typedef int (*tLVM_ReadFcn)(void *, Uint64, size_t, void *);
typedef int (*tLVM_WriteFcn)(void *, Uint64, size_t, const void *);