+#ifndef HAVE_STRPBRK
+/* Find the first ocurrence in S of any character in ACCEPT. */
+char *
+strpbrk (const char *s, const char *accept)
+{
+ while (*s != '\0')
+ {
+ const char *a = accept;
+ while (*a != '\0')
+ if (*a++ == *s)
+ return (char *) s;
+ ++s;
+ }
+
+ return 0;
+}
+#endif /* HAVE_STRPBRK */
+