int strv_extend_strv_concat(char ***a, char **b, const char *suffix);
#endif // 0
int strv_extend(char ***l, const char *value);
#if 0 /// UNNEEDED by elogind
int strv_extendf(char ***l, const char *format, ...) _printf_(2,0);
#endif // 0
int strv_extend_strv_concat(char ***a, char **b, const char *suffix);
#endif // 0
int strv_extend(char ***l, const char *value);
#if 0 /// UNNEEDED by elogind
int strv_extendf(char ***l, const char *format, ...) _printf_(2,0);
#endif // 0