22 lines
596 B
C
22 lines
596 B
C
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <sys/time.h>
|
|
#include <time.h>
|
|
#include <unistd.h>
|
|
|
|
int main() {
|
|
struct timeval *tv = malloc(sizeof(struct timeval));
|
|
struct timezone *tz = malloc(sizeof(struct timezone));
|
|
for (int i = 0; i < 15; i++) {
|
|
gettimeofday(tv, NULL);
|
|
printf("%ld.%06ld\n", tv->tv_sec, tv->tv_usec);
|
|
for (int i = 0; i < 10; i++) {
|
|
usleep(500000);
|
|
}
|
|
}
|
|
gettimeofday(tv, NULL);
|
|
printf("tv = %ld.%06ld\n", tv->tv_sec, tv->tv_usec);
|
|
// printf("tz_minuteswest = %d,tz_dsttime = %d", (*tz).tz_minuteswest,
|
|
// (*tz).tz_dsttime);
|
|
return 0;
|
|
} |