gettimeofday

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

 

	E_SMS_ERRCODE __FC_Sms_SetCurrentTime(     T_SMS_SENDPARAM *       pParam,     struct tm *ptm) {     struct timeval tv;     struct tm *ptm;     long milliseconds;     long microseconds;       gettimeofday(&tv, NULL);     ptm = localtime (&tv.tv_sec);       pParam->year = ptm->tm_year + 1900;     pParam->month = ptm->tm_mon +1;     pParam->day = ptm->tm_mday;     pParam->hour = ptm->tm_hour;     pParam->minute = ptm->tm_min;     pParam->second = ptm->tm_sec;       // Get microseconds     microseconds = tv.tv_usec;     // Compute milliseconds from microseconds      milliseconds = tv.tv_usec / 1000;       return SMS_RET_OK; }

	void print_time () { struct timeval tv; struct tm* ptm; char time_string[40]; long milliseconds; /* Obtain the time of day, and convert it to a tm struct. */ gettimeofday (&tv, NULL); ptm = localtime (&tv.tv_sec);  /* Format the date and time, down to a single second. */ strftime (time_string, sizeof (time_string), "%Y-%m-%d %H:%M:%S", ptm);  /* Compute milliseconds from microseconds. */ milliseconds = tv.tv_usec / 1000;  /* Print the formatted time, in seconds, followed by a decimal point    and the milliseconds. */ printf ("%s.%03ld\n", time_string, milliseconds); } [출처] gettimeofday => 년, 월, 일, 시, 분, 초|작성자 롯데샌드