#include <stdio.h>
#include <windows.h>

void main()
{
	char szBuffer[32];

	memset(szBuffer, 0, sizeof(szBuffer));
	memset(szBuffer, '=', sizeof(szBuffer) - 1);

	for(int i = 0; i < sizeof(szBuffer) - 1; i++)
	{
		szBuffer[i] = '*';
		printf("\r%s", szBuffer);

		Sleep(500);
	}
}