fix signature of function accepted by makecontext

[musl] / include / netdb.h

diff --git a/include/netdb.h b/include/netdb.h
index adde2c5..d096c78 100644 (file)
--- a/include/netdb.h
+++ b/include/netdb.h
@@ -115,6 +115,9 @@ struct protoent *getprotobynumber (int);
  || (defined(_XOPEN_SOURCE) && _XOPEN_SOURCE+0 < 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