__attribute__((format(printf, 3, 4))) int ssnprintf(char *str, size_t size,
char const *format, ...);
-__attribute__((format(printf, 3, 4))) int ssnprintf2(char *str, size_t size,
- char const *format, ...);
-
__attribute__((format(printf, 1, 2))) char *ssnprintf_alloc(char const *format,
...);