/* declarations related to main program and useful utility functions */
void sysfail(const char *what, int errnoval) NONRETURNING;
void usageerr(const char *what, ...) NONRETURNPRINTFFORMAT(1,2);
/* declarations related to main program and useful utility functions */
void sysfail(const char *what, int errnoval) NONRETURNING;
void usageerr(const char *what, ...) NONRETURNPRINTFFORMAT(1,2);