+int buffer_get_ret(Buffer *, void *, u_int);
+int buffer_consume_ret(Buffer *, u_int);
+int buffer_consume_end_ret(Buffer *, u_int);
+
+#include <openssl/bn.h>
+
+void buffer_put_bignum(Buffer *, const BIGNUM *);
+void buffer_put_bignum2(Buffer *, const BIGNUM *);
+void buffer_get_bignum(Buffer *, BIGNUM *);
+void buffer_get_bignum2(Buffer *, BIGNUM *);
+
+u_short buffer_get_short(Buffer *);
+void buffer_put_short(Buffer *, u_short);
+
+u_int buffer_get_int(Buffer *);
+void buffer_put_int(Buffer *, u_int);
+
+u_int64_t buffer_get_int64(Buffer *);
+void buffer_put_int64(Buffer *, u_int64_t);
+
+int buffer_get_char(Buffer *);
+void buffer_put_char(Buffer *, int);
+
+void *buffer_get_string(Buffer *, u_int *);
+void *buffer_get_string_ptr(Buffer *, u_int *);
+void buffer_put_string(Buffer *, const void *, u_int);
+void buffer_put_cstring(Buffer *, const char *);
+
+#define buffer_skip_string(b) \
+ do { u_int l = buffer_get_int(b); buffer_consume(b, l); } while (0)
+
+int buffer_put_bignum_ret(Buffer *, const BIGNUM *);
+int buffer_get_bignum_ret(Buffer *, BIGNUM *);
+int buffer_put_bignum2_ret(Buffer *, const BIGNUM *);
+int buffer_get_bignum2_ret(Buffer *, BIGNUM *);
+int buffer_get_short_ret(u_short *, Buffer *);
+int buffer_get_int_ret(u_int *, Buffer *);
+int buffer_get_int64_ret(u_int64_t *, Buffer *);
+void *buffer_get_string_ret(Buffer *, u_int *);
+int buffer_get_char_ret(char *, Buffer *);
+