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sigpause(3) is only declared if _GNU_SOURCE is defined. --- a/hunt/hunt/otto.c +++ b/hunt/hunt/otto.c @@ -43,6 +43,8 @@ * Id: otto.c,v 1.14 2003/04/16 06:11:54 gregc Exp */ +#define _GNU_SOURCE /* for sigpause(3) */ + #include <sys/cdefs.h> #ifndef lint __RCSID("$NetBSD: otto.c,v 1.8 2004/11/05 21:30:32 dsl Exp $");