#endif
+#if @GNULIB_GETGROUPS@
+# if @REPLACE_GETGROUPS@
+# undef getgroups
+# define getgroups rpl_getgroups
+# endif
+# if !@HAVE_GETGROUPS@ || @REPLACE_GETGROUPS@
+/* Return the supplemental groups that the current process belongs to.
+ It is unspecified whether the effective group id is in the list.
+ If N is 0, return the group count; otherwise, N describes how many
+ entries are available in GROUPS. Return -1 and set errno if N is
+ not 0 and not large enough. Fails with ENOSYS on some systems. */
+int getgroups (int n, GETGROUPS_T *groups);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef getgroups
+# define getgroups(n,g) \
+ (GL_LINK_WARNING ("getgroups is unportable - " \
+ "use gnulib module getgroups for portability"), \
+ getgroups (n, g))
+#endif
+
+
#if @GNULIB_GETHOSTNAME@
/* Return the standard host name of the machine.
WARNING! The host name may or may not be fully qualified.