+#endif /* !HAVE_GETLINE */
+
+#if ! HAVE_STRCASESTR
+char *strcasestr (const char *haystack, const char *needle);
+#endif /* !HAVE_STRCASESTR */
+
+#if ! HAVE_STRSEP
+char *strsep (char **stringp, const char *delim);
+#endif /* !HAVE_STRSEP */
+
+#if ! HAVE_TIMEGM
+#include <time.h>
+time_t timegm (struct tm *tm);
+#endif /* !HAVE_TIMEGM */
+
+/* Silence gcc warnings about unused results. These warnings exist
+ * for a reason; any use of this needs to be justified. */
+#ifdef __GNUC__
+#define IGNORE_RESULT(x) ({ __typeof__(x) __z = (x); (void) (__z = __z); })
+#else /* !__GNUC__ */
+#define IGNORE_RESULT(x) x
+#endif /* __GNUC__ */