int column = 0;
int line_num = 1;
char error_line_buffer[256];

void yyerror(char *fmt, ...)
{
	/* extern int yylineno; */
	extern int column, line_num;
	extern char error_line_buffer[256];
	va_list va;

	va_start(va, fmt);
	fprintf (stdout, "%s\n", error_line_buffer);
	fprintf (stdout, "\n%*s", column, "^");
	vfprintf(stdout, fmt, va);
	fprintf (stdout, ":Line %d\n", line_num);
	error_code = 26;
}