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