Updated DEVNOTES. It's finally complete, now.

Fixed headers:
- added checks for C++
- removed _REENTRANT checks


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@15572 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/legacy/network/arpa/inet.h

@@ -88,6 +88,10 @@
 #define	inet_nsap_addr		__inet_nsap_addr
 #define	inet_nsap_ntoa		__inet_nsap_ntoa
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 __BEGIN_DECLS
 unsigned long	 inet_addr __P((const char *));
 int		 inet_aton __P((const char *, struct in_addr *));
@@ -107,6 +111,10 @@ u_int		 inet_nsap_addr __P((const char *, u_char *, int));
 char		*inet_nsap_ntoa __P((int, const u_char *, char *));
 __END_DECLS
 
+#ifdef __cplusplus
+}
+#endif
+
 #if defined(__hpux) && defined(_XOPEN_SOURCE_EXTENDED)
 /*
  * Macros for number representation conversion.

headers/legacy/network/netdb.h

@@ -102,6 +102,10 @@
 #include <netinet/in.h>
 #include <stdio.h>
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #ifndef _PATH_HEQUIV
 #define _PATH_HEQUIV	"/etc/hosts.equiv"
 #endif
@@ -124,12 +128,7 @@
 __BEGIN_DECLS
 extern int * __h_errno __P((void));
 __END_DECLS
-#if defined(_REENTRANT) || \
-    (__GLIBC__ > 2 || __GLIBC__ == 2 &&  __GLIBC_MINOR__ >= 3)
 #define	h_errno (*__h_errno())
-#else
-extern int h_errno;
-#endif
 
 /*
  * Structures returned by network data base library.  All addresses are
@@ -262,7 +261,6 @@ struct	addrinfo {
 #define SCOPE_DELIMITER	'%'
 
 
-#ifdef _REENTRANT
 #if defined (__hpux) || defined(__osf__) || defined(_AIX)
 #define	_MAXALIASES	35
 #define	_MAXLINELEN	1024
@@ -352,7 +350,7 @@ struct	servent_data {
 #endif
 };
 #endif
-#endif
+
 __BEGIN_DECLS
 void		endhostent __P((void));
 void		endnetent __P((void));
@@ -399,7 +397,6 @@ int		innetgr __P((const char *, const char *, const char *,
 			     const char *));
 #endif
 
-#ifdef _REENTRANT
 #if defined(__hpux) || defined(__osf__) || defined(_AIX)
 int		gethostbyaddr_r __P((const char *, int, int, struct hostent *,
 					struct hostent_data *));
@@ -532,6 +529,9 @@ int		setnetgrent_r __P((char *, void **));
 #endif
 
 #endif
+
+#ifdef __cplusplus
+}
 #endif
 __END_DECLS
 

headers/legacy/network/resolv.h

@@ -67,6 +67,10 @@
 #include <stdio.h>
 #include <arpa/nameser.h>
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /*
  * Revision information.  This is the release date in YYYYMMDD format.
  * It can change every day so the right thing to do with it is use it
@@ -285,16 +289,10 @@ union res_sockaddr_union {
 /*			0x00010000	*/
 
 /* Things involving an internal (static) resolver context. */
-#ifdef _REENTRANT
 __BEGIN_DECLS
 extern struct __res_state *__res_state(void);
 __END_DECLS
 #define _res (*__res_state())
-#else
-#ifndef __BIND_NOSTATIC
-extern struct __res_state _res;
-#endif
-#endif
 
 #ifndef __BIND_NOSTATIC
 #define fp_nquery		__fp_nquery
@@ -498,4 +496,8 @@ int		res_getservers __P((res_state,
 				    union res_sockaddr_union *, int));
 __END_DECLS
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* !_RESOLV_H_ */