X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=include%2Fnetdb.h;h=42a4b6828155f2b187350f8c00b243820857b9c0;hb=9a470b0a6eb85f8105155881fbd67f26a804f994;hp=db5eccf439511aec2ccfd1c134af9fefb5527dbc;hpb=20052b9815f1009699fc6543d746010c67e8b962;p=musl

diff --git a/include/netdb.h b/include/netdb.h
index db5eccf4..42a4b682 100644
--- a/include/netdb.h
+++ b/include/netdb.h
@@ -5,7 +5,7 @@
 extern "C" {
 #endif
 
-#ifdef _GNU_SOURCE
+#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
 #define __NEED_size_t
 #endif
 
@@ -96,18 +96,9 @@ struct protoent
 	int p_proto;
 };
 
-extern int h_errno;
-
-#define HOST_NOT_FOUND 1
-#define TRY_AGAIN      2
-#define NO_RECOVERY    3
-#define NO_DATA        4
-
 void sethostent (int);
 void endhostent (void);
 struct hostent *gethostent (void);
-struct hostent *gethostbyaddr (const void *, socklen_t, int);
-struct hostent *gethostbyname (const char *);
 
 void setnetent (int);
 void endnetent (void);
@@ -127,7 +118,23 @@ struct protoent *getprotoent (void);
 struct protoent *getprotobyname (const char *);
 struct protoent *getprotobynumber (int);
 
-#ifdef _GNU_SOURCE
+#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) || defined(_POSIX_SOURCE) \
+ || (defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE < 200809L) \
+ || (defined(_XOPEN_SOURCE) && _XOPEN_SOURCE < 700)
+struct hostent *gethostbyname (const char *);
+struct hostent *gethostbyaddr (const void *, socklen_t, int);
+#ifdef __GNUC__
+__attribute__((const))
+#endif
+int *__h_errno_location(void);
+#define h_errno (*__h_errno_location())
+#define HOST_NOT_FOUND 1
+#define TRY_AGAIN      2
+#define NO_RECOVERY    3
+#define NO_DATA        4
+#endif
+
+#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
 const char *hstrerror(int);
 int gethostbyname_r(const char *, struct hostent *, char *, size_t, struct hostent **, int *);
 int gethostbyname2_r(const char *, int, struct hostent *, char *, size_t, struct hostent **, int *);