const void *src,
size_t src_len,
int flags);
-size_t align_string(const void *base_ptr, const char *p, int flags);
size_t dos_PutUniCode(char *dst,const char *src, size_t len, bool null_terminate);
int rpcstr_push_talloc(TALLOC_CTX *ctx, smb_ucs2_t **dest, const char *src);