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-rw-r--r--ext/socket/rubysocket.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/ext/socket/rubysocket.h b/ext/socket/rubysocket.h
index bb2f6a6..365eab6 100644
--- a/ext/socket/rubysocket.h
+++ b/ext/socket/rubysocket.h
@@ -129,7 +129,7 @@ extern VALUE rb_cIPSocket;
extern VALUE rb_cTCPSocket;
extern VALUE rb_cTCPServer;
extern VALUE rb_cUDPSocket;
-#ifdef AF_UNIX
+#ifdef HAVE_SYS_UN_H
extern VALUE rb_cUNIXSocket;
extern VALUE rb_cUNIXServer;
#endif
@@ -177,8 +177,10 @@ VALUE make_ipaddr(struct sockaddr *addr);
VALUE ipaddr(struct sockaddr *sockaddr, int norevlookup);
VALUE make_hostent(VALUE host, struct addrinfo *addr, VALUE (*ipaddr)(struct sockaddr *, size_t));
+#ifdef HAVE_SYS_UN_H
const char* unixpath(struct sockaddr_un *sockaddr, socklen_t len);
VALUE unixaddr(struct sockaddr_un *sockaddr, socklen_t len);
+#endif
int ruby_socket(int domain, int type, int proto);
VALUE init_sock(VALUE sock, int fd);