main.c

#include "varcode.h"

int main()
{
	int timetick = 0;
	int result = 0;
	char command[3] = {'o','\0'};
	printf("VarCode v1.0, by Spooikypok_Dev");
	while(command[0] != 'e')
	{
		printf("\n>");
		fgets(command,3,stdin);
		command[2] = '\0';
		switch(command[0])
		{
		case 'i':
			result++;
			break;
		case 'd':
			result--;
			break;
		case 's':
			result *= result;
			break;
		case 'o':
			printf("%d", result);
			break;
		case 'e':
			break;
		case 'z':
			result = 0;
			break;
		case 'p':
			timetick = time(NULL);
			while(time(NULL) < timetick + 1);
			break;
		case '\n':
			break;
		default:
			printf("invalid command: %c", command[0]);
			break;
		}
	}
	return 0;
}

varcode.h

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>