void argv_array_pushf(struct argv_array *, const char *fmt, ...);
LAST_ARG_MUST_BE_NULL
void argv_array_pushl(struct argv_array *, ...);
+void argv_array_pushv(struct argv_array *, const char **);
void argv_array_pop(struct argv_array *);
void argv_array_clear(struct argv_array *);