1 files changed, 45 insertions, 0 deletions
diff --git a/client/helloworld/net.h b/client/helloworld/net.h
new file mode 100644
index 0000000..1a49709
--- /dev/null
+++ b/client/helloworld/net.h
@@ -0,0 +1,45 @@
+/*
+ * Created by yuuta on 7/23/22.
+ */
+
+#ifndef ACRONC_NET_H
+#define ACRONC_NET_H
+
+#include <stdint.h>
+#include <stddef.h>
+
+#ifdef WIN32
+#include <winsock2.h>
+
+#else
+
+#define SOCKET int
+
+#endif
+
+#define NET_CLOSED  -2
+#define NET_TIMEOUT -1
+
+int net_connect(const char *host,
+                uint16_t port,
+                SOCKET *sock);
+
+int net_read(const SOCKET *sock,
+             void *buffer,
+             size_t length,
+             size_t *read,
+             unsigned int timeout);
+
+int net_send(const SOCKET *sock,
+             const void *buffer,
+             size_t len);
+
+void net_close(const SOCKET *sock);
+
+int net_init(void);
+
+void net_free(void);
+
+char *net_strerror(int errnum);
+
+#endif /* ACRONC_NET_H */