int get_host_info(char *host, struct hostent **ret);
int get_stream_socket(int domain);
void init_sockaddr(struct sockaddr_in*, int, const struct hostent*);
-int para_connect(int fd, struct sockaddr_in *their_addr);
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, ...);
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)))