Index: src/OFSystemInfo.m
==================================================================
--- src/OFSystemInfo.m
+++ src/OFSystemInfo.m
@@ -25,10 +25,14 @@
 #include <unistd.h>
 
 #ifdef __QNX__
 # include <sys/syspage.h>
 #endif
+
+#ifdef _WIN32
+# include <windows.h>
+#endif
 
 static size_t pageSize;
 static size_t numberOfCPUs;
 
 @implementation OFSystemInfo

Index: src/OFTCPSocket.m
==================================================================
--- src/OFTCPSocket.m
+++ src/OFTCPSocket.m
@@ -501,11 +501,12 @@
 		@throw [OFBindFailedException exceptionWithClass: [self class]
 							  socket: self
 							    host: host
 							    port: port];
 
-	if (setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &one, sizeof(one)))
+	if (setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, (const char*)&one,
+	    sizeof(one)))
 		@throw [OFSetOptionFailedException
 		    exceptionWithClass: [self class]
 				stream: self];
 
 	if (bind(sock, res->ai_addr, res->ai_addrlen) == -1) {
@@ -560,11 +561,12 @@
 		@throw [OFBindFailedException exceptionWithClass: [self class]
 							  socket: self
 							    host: host
 							    port: port];
 
-	if (setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &one, sizeof(one)))
+	if (setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, (const char*)&one,
+	    sizeof(one)))
 		@throw [OFSetOptionFailedException
 		    exceptionWithClass: [self class]
 				stream: self];
 
 	if (bind(sock, (struct sockaddr*)&addr.in, sizeof(addr.in)) == -1) {