linux当前时间

#include <sys/time.h>
#include <time.h>
#include <stdio.h>

int main(void)
{
  char buffer[30];
  struct timeval tv;

  time_t curtime;



  gettimeofday(&tv, NULL);
    printf("%ld/n",tv.tv_sec);
    printf("%ld/n",tv.tv_usec);
        
  curtime=tv.tv_sec;

  strftime(buffer,30,"%m-%d-%Y  %T.",localtime(&curtime));
  printf("%s%ld/n",buffer,tv.tv_usec);

  return 0;



}