#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <time.h>
#include <string.h>

#define SECS_IN_DAY 86400
#define SECS_IN_YEAR 31536000

int main(int argc, char *argv[])
{
        time_t lEndDate = 0;
        time_t lStartDate = 0;
        char cTmp[3];
        struct tm *TimePtr;
	int fmt_year = 0;
	int no_return = 0;

	time(&lStartDate);

        TimePtr = localtime(&lStartDate);

	time(&lEndDate);

        TimePtr = localtime(&lEndDate);

	int cntr = 1;
	while (cntr < argc)
	{
		if (strcmp(argv[cntr], "-s") == 0)
		{
               		sprintf(cTmp, "%c%c", argv[cntr+1][2], argv[cntr+1][3]);
               		TimePtr->tm_mday = atoi(cTmp);

               		sprintf(cTmp, "%c%c", argv[cntr+1][0], argv[cntr+1][1]);
               		TimePtr->tm_mon = atoi(cTmp) - 1;

               		sprintf(cTmp, "%c%c%c%c", argv[cntr+1][4], argv[cntr+1][5],argv[cntr+1][6], argv[cntr+1][7]);
               		TimePtr->tm_year = atoi(cTmp) - 1900;
			lStartDate = mktime(TimePtr);
		}

		if (strcmp(argv[cntr], "-e") == 0)
		{
               		sprintf(cTmp, "%c%c", argv[cntr+1][2], argv[cntr+1][3]);
               		TimePtr->tm_mday = atoi(cTmp);

               		sprintf(cTmp, "%c%c", argv[cntr+1][0], argv[cntr+1][1]);
               		TimePtr->tm_mon = atoi(cTmp) - 1;

               		sprintf(cTmp, "%c%c%c%c", argv[cntr+1][4], argv[cntr+1][5],argv[cntr+1][6], argv[cntr+1][7]);
               		TimePtr->tm_year = atoi(cTmp) - 1900;
			lEndDate = mktime(TimePtr);
		}

		cntr++;
	}

	int num_wrkday = 0;
	int num_weekends = 0;
	int total_days = 0;
	while (lStartDate <= lEndDate)
	{
		struct tm *pTimePtr = localtime(&lStartDate);
	
		if (pTimePtr->tm_wday != 0 && pTimePtr->tm_wday != 6)
			num_wrkday++;
		else
			num_weekends++;

		total_days++;

		lStartDate += SECS_IN_DAY;
	}

	printf("Number of workdays are %d, weekends = %d of %d total days\n", num_wrkday, num_weekends, total_days);

        return 0;
}