typedef void crypt_function(unsigned long len,
const unsigned char *indata, unsigned char *outdata, void *private_data);
-#include <netdb.h> /* hostent */
-int get_host_info(char *host, struct hostent **ret);
-int get_socket(void);
-void init_sockaddr(struct sockaddr_in*, int, const struct hostent*);
-int para_connect(int, struct sockaddr_in *);
+int tcp_connect(char *host, int port);
+int get_stream_socket(int domain);
int send_buffer(int, const char *);
int send_bin_buffer(int, const char *, size_t);
__printf_2_3 int send_va_buffer(int fd, const char *fmt, ...);
int recv_cred_buffer(int, char *, size_t);
ssize_t send_cred_buffer(int, char*);
int recv_pattern(int fd, const char *pattern, size_t bufsize);
-int init_tcp_socket(int port);
+int tcp_listen(int port);
void enable_crypt(int fd, crypt_function *recv_f, crypt_function *send_f,
void *private_data);
void disable_crypt(int fd);
+/**
+ * A wrapper around connect(2).
+ *
+ * \param fd The file descriptor.
+ * \param addr The address to connect.
+ * \param len The size of \a addr.
+ *
+ * This should not be called directly. Always use the PARA_CONNECT macro.
+ *
+ * \return \p -E_CONNECT on errors, 1 on success.
+ *
+ * \sa connect(2), PARA_CONNECT.
+ */
+static inline int _para_connect(int fd, void *addr, socklen_t len)
+{
+ if (connect(fd, (struct sockaddr *)addr, len) == -1)
+ return -E_CONNECT;
+ return 1;
+}
+
+/** A macro for connect() which does not need a \a len parameter. */
+#define PARA_CONNECT(fd, addr) _para_connect(fd, addr, sizeof(*(addr)))