extern int dlclose(void *__handle) __nonnull ((1));
extern void *dlsym(void *__restrict __handle,
__const char *__restrict __name) __nonnull ((2));
extern int dlclose(void *__handle) __nonnull ((1));
extern void *dlsym(void *__restrict __handle,
__const char *__restrict __name) __nonnull ((2));