timezone 63 include/sys/time.h struct timezone { timezone 114 include/sys/time.h int gettimeofday(struct timeval *, struct timezone *); timezone 119 include/sys/time.h int settimeofday(const struct timeval *, const struct timezone *); timezone 43 usr/lib/libc/gen/time.c if (gettimeofday(&tt, (struct timezone *)0) < 0) timezone 38 usr/lib/posix/time/gettimeofday.c gettimeofday(struct timeval *tv, struct timezone *tz) timezone 80 usr/sample/tetris/input.c #define NILTZ ((struct timezone *)0)