typedef struct rate_to_value_state_s rate_to_value_state_t;
char *sstrncpy (char *dest, const char *src, size_t n);
+
+__attribute__ ((format(printf,3,4)))
int ssnprintf (char *dest, size_t n, const char *format, ...);
+
+__attribute__ ((format(printf,1,2)))
+char *ssnprintf_alloc (char const *format, ...);
+
char *sstrdup(const char *s);
void *smalloc(size_t size);
char *sstrerror (int errnum, char *buf, size_t buflen);