const char *cmd, char **envp, const sigset_t *sigmask,
char *result, size_t ressize);
int udev_event_execute_rules(struct udev_event *event, struct udev_rules *rules, const sigset_t *sigset);
const char *cmd, char **envp, const sigset_t *sigmask,
char *result, size_t ressize);
int udev_event_execute_rules(struct udev_event *event, struct udev_rules *rules, const sigset_t *sigset);