extern PRINTF_LIKE(2, 3) NORETURN
void bail_syserr(int err, const char *fmt, ...);
+#define PNF_JUNK 1u
+extern double parse_float(const char **p_inout, unsigned f,
+ double min, double max, const char *what);
+extern long parse_int(const char **p_inout, unsigned f,
+ long min, long max, const char *what);
+
extern void sit(double t);
extern void carefully_write(int fd, const void *buf, size_t sz);