path: root/include/arpa/inet.h
diff options
authorRich Felker <>2012-09-06 22:44:55 -0400
committerRich Felker <>2012-09-06 22:44:55 -0400
commit400c5e5c8307a2ebe44ef1f203f5a15669f20347 (patch)
tree087a48dc8251fa05f6866af8ebf96b69450b15ab /include/arpa/inet.h
parentbac03cdde1137c16b4c194e137310e2748661dcc (diff)
use restrict everywhere it's required by c99 and/or posix 2008
to deal with the fact that the public headers may be used with pre-c99 compilers, __restrict is used in place of restrict, and defined appropriately for any supported compiler. we also avoid the form [restrict] since older versions of gcc rejected it due to a bug in the original c99 standard, and instead use the form *restrict.
Diffstat (limited to 'include/arpa/inet.h')
1 files changed, 8 insertions, 2 deletions
diff --git a/include/arpa/inet.h b/include/arpa/inet.h
index b604f60b..82e2ac1b 100644
--- a/include/arpa/inet.h
+++ b/include/arpa/inet.h
@@ -5,6 +5,12 @@
extern "C" {
+#if __STDC_VERSION__ >= 199901L
+#define __restrict restrict
+#elif !defined(__GNUC__)
+#define __restrict
#include <netinet/in.h>
#include <inttypes.h>
@@ -24,8 +30,8 @@ uint16_t ntohs(uint16_t);
in_addr_t inet_addr (const char *);
char *inet_ntoa (struct in_addr);
-int inet_pton (int, const char *, void *);
-const char *inet_ntop (int, const void *, char *, socklen_t);
+int inet_pton (int, const char *__restrict, void *__restrict);
+const char *inet_ntop (int, const void *__restrict, char *__restrict, socklen_t);
int inet_aton (const char *, struct in_addr *); /* nonstandard but widely used */