Index: stdio.h
===================================================================
--- stdio.h	(revision 259696)
+++ stdio.h	(working copy)
@@ -291,7 +291,7 @@
  * Functions defined in all versions of POSIX 1003.1.
  */
 #if __BSD_VISIBLE || __POSIX_VISIBLE <= 199506
-#define	L_cuserid	17	/* size for cuserid(3); MAXLOGNAME, legacy */
+#define	L_cuserid	33	/* size for cuserid(3); MAXLOGNAME, legacy */
 #endif
 
 #if __POSIX_VISIBLE