const struct optioninfo *opt_findl(const char *opt);
const struct optioninfo *opt_finds(const char **optp);
-void opt_do(const struct optioninfo *oip, const char *arg);
+void opt_do(const struct optioninfo *oip, const char *arg, int invert);
/* declarations related to query processing */
void sysfail(const char *what, int errnoval) NONRETURNING;
void usageerr(const char *what, ...) NONRETURNPRINTFFORMAT(1,2);
void outerr(void) NONRETURNING;
-void setnonblock(int fd, int nonblock);
void *xmalloc(size_t sz);
char *xstrsave(const char *str);