originally it was right on 32-bit archs and wrong on 64-bit, but after
recent changes it was wrong everywhere. with this commit, it's now
right everywhere.
char *asctime (const struct tm *);
char *ctime (const time_t *);
char *asctime (const struct tm *);
char *ctime (const time_t *);
-#define CLOCKS_PER_SEC 1000000UL
+#define CLOCKS_PER_SEC 1000000L
#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \