strftime
#include <time.h> size_t strftime(char *restrict s, size_t max, const char *restrict format, const struct tm *restrict tm);
#include <time.h>
size_t strftime(char *restrict s, size_t max, const char *restrict format, const struct tm *restrict tm);
size_t strftime(char *restrict
, size_t
,
const char *restrict
const struct tm *restrict
);