#include <time.h>
#include <sys/time.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
const char* current_time()
{
struct timeval now;
static char str[30];
char* ptr;
if(gettimeofday(&now,NULL)<0)
{
perror("gettimeofday");
exit(-1);
}
ptr = ctime(&now.tv_sec);
strcpy(str,ptr+11);
snprintf(str+8,sizeof(str)-8,".%06ld",now.tv_usec);
return str;
}
const char* now()
{
static char str[30];
struct tm* pTm;
time_t seconds = time(NULL);
pTm = localtime(&seconds);
sprintf(str,"%d-%d-%d %d:%d:%d",pTm->tm_year+1900,pTm->tm_mon+1,pTm->tm_mday,pTm->tm_hour,pTm->tm_min,pTm->tm_sec);
return str;
}
int main(int argc,char* argv[])
{
int i = 0;
for(;i<10;i++)
{
printf("Current time: %s
",now());
sleep(1);
}
return 0;
}