brainfuck dial zeb

#include <io.h>
#include <stdlib.h>

int		main(int argc, char **argv)
{
	char tab[2048] = {0};
	char *ptr;
	int lc;
	int i = 0;

	ptr = tab;

	if (argc == 2)
	{
		while (argv[1][i])
		{
			if (argv[1][i] == '>')
				ptr++;
			else if (argv[1][i] == '<')
				ptr--;
			else if (argv[1][i] == '+')
				(*ptr)++;
			else if (argv[1][i] == '-')
				(*ptr)--;
			else if (argv[1][i] == '.')
				_write(1, &(*ptr), 1);
			else if (argv[1][i] == '[' && *ptr == 0)
			{
				lc = 1;
				while (lc != 0)
				{
					if (argv[1][i] =='[')
						lc++;
					if (argv[1][i] == ']')
						lc--;
					i++;
				}
			}
			else if (argv[1][i] == ']' && *ptr != 0)
			{
				lc = 1;
				while (lc != 0)
				{
					if (argv[1][i] =='[')
						lc--;
					if (argv[1][i] == ']')
						lc++;
					i--;
				}
			}
			i++;
		}
	}
	else
		_write(1, "\n", 1);
	return (0);
}