c语言时间问题时区不为当前时区？如何更改MacBook MacOS硬件时区设置？
我正在写一个关于时间的小程序，但似乎MacBook的时区设置有一些问题，我现在在系统首选项中的时区是JSTUTC+9c语言时间问题时区不为当前时区？如何更改MacBook MacOS硬件时区设置？,c,macos,time.h,C,Macos,Time.h,我正在写一个关于时间的小程序，但似乎MacBook的时区设置有一些问题，我现在在系统首选项中的时区是JSTUTC+9 #include <time.h> #include <stdlib.h> #include <stdio.h> int main (int argc, char *argv[]) { time_t time_in_second; struct tm *time_today; time (&
#include <time.h>
#include <stdlib.h>
#include <stdio.h>
int main (int argc, char *argv[]) {
time_t time_in_second;
struct tm *time_today;
time (&time_in_second);
time_t today_in_second = time_in_second - (time_in_second % 86400);
time_today = gmtime(&today_in_second); // will out put 00:00
time_today = localtime(&today_in_second); // will output 09:00
printf ("year: %d\nmonth: %d\nday: %d\nhour: %d\nminuts: %d\nsecond: %d\n", \
1900+time_today->tm_year, 1+time_today->tm_mon,\
time_today->tm_mday, time_today->tm_hour, time_today->tm_min, time_today->tm_sec);
return 0;
}