netinet/in.h: add IPV6_ROUTER_ALERT_ISOLATE from linux v5.1

[musl] / include / pwd.h

diff --git a/include/pwd.h b/include/pwd.h
index 07a5871..4f470b5 100644 (file)
--- a/include/pwd.h
+++ b/include/pwd.h
@@ -27,9 +27,11 @@ struct passwd {
        char *pw_shell;
 };
 
+#if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
 void setpwent (void);
 void endpwent (void);
 struct passwd *getpwent (void);
+#endif
 
 struct passwd *getpwuid (uid_t);
 struct passwd *getpwnam (const char *);