-int ssl3_handshake_write(SSL *s);
-
-int ssl23_num_ciphers(void);
-const SSL_CIPHER *ssl23_get_cipher(unsigned int u);
-int ssl23_read(SSL *s, void *buf, int len);
-int ssl23_peek(SSL *s, void *buf, int len);
-int ssl23_write(SSL *s, const void *buf, int len);
-int ssl23_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p);
-const SSL_CIPHER *ssl23_get_cipher_by_char(const unsigned char *p);
-long ssl23_default_timeout(void);
-
-int ssl_allow_compression(SSL *s);
-
-long tls1_default_timeout(void);
-int dtls1_do_write(SSL *s, int type);
-int ssl3_read_n(SSL *s, int n, int max, int extend);
-int dtls1_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek);
-int ssl3_do_compress(SSL *ssl);
-int ssl3_do_uncompress(SSL *ssl);
-int ssl3_write_pending(SSL *s, int type, const unsigned char *buf,
+__owur int ssl3_handshake_write(SSL *s);
+
+__owur int ssl23_num_ciphers(void);
+__owur const SSL_CIPHER *ssl23_get_cipher(unsigned int u);
+__owur int ssl23_read(SSL *s, void *buf, int len);
+__owur int ssl23_peek(SSL *s, void *buf, int len);
+__owur int ssl23_write(SSL *s, const void *buf, int len);
+__owur int ssl23_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p);
+__owur const SSL_CIPHER *ssl23_get_cipher_by_char(const unsigned char *p);
+__owur long ssl23_default_timeout(void);
+
+__owur int ssl_allow_compression(SSL *s);
+
+__owur long tls1_default_timeout(void);
+__owur int dtls1_do_write(SSL *s, int type);
+__owur int ssl3_read_n(SSL *s, int n, int max, int extend);
+__owur int dtls1_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek);
+__owur int ssl3_do_compress(SSL *ssl);
+__owur int ssl3_do_uncompress(SSL *ssl);
+__owur int ssl3_write_pending(SSL *s, int type, const unsigned char *buf,