return !p || !p[0];
}
-bool endswith(const char *s, const char *postfix);
+char *endswith(const char *s, const char *postfix);
bool startswith(const char *s, const char *prefix);
bool startswith_no_case(const char *s, const char *prefix);
bool string_is_safe(const char *p);
int parse_timestamp(const char *t, usec_t *usec);
+
+void *xbsearch_r(const void *key, const void *base, size_t nmemb, size_t size,
+ int (*compar) (const void *, const void *, void *),
+ void *arg);