10 int puts(const char *s);
11 int printf(const char *format, ...) __attribute__((format(printf,1,2)));
12 int sprintf(char *str, const char *format, ...) __attribute__((format(printf,2,3)));
13 int snprintf(char *str, size_t size, const char *format, ...) __attribute__((format(printf,3,4)));
14 int asprintf(char **ptr, const char* format, ...) __attribute__((format(printf,2,3)));
17 int scanf(const char *format, ...) __attribute__((format(scanf,1,2)));
18 int sscanf(const char *str, const char *format, ...) __attribute__((format(scanf,2,3)));
23 int vprintf(const char *format, va_list ap) __attribute__((format(printf,1,0)));
24 int vsprintf(char *str, const char *format, va_list ap) __attribute__((format(printf,2,0)));
25 int vsnprintf(char *str, size_t size, const char *format, va_list ap) __attribute__((format(printf,3,0)));
30 int vscanf(const char *format, va_list ap) __attribute__((format(scanf,1,0)));
31 int vsscanf(const char *str, const char *format, va_list ap) __attribute__((format(scanf,2,0)));
33 int sscanf(const char *str, const char *format, ...);