probe begin
{
	chars = "abc-ABC 123!"
	for (i = 0; i < strlen(chars); ++i)
		printf("%#c", stringat(chars, i))
	print("\n")

	chars = "\a\b\f\n\r\t\v\'\\"
	for (i = 0; i < strlen(chars); ++i)
		printf("%#c", stringat(chars, i))
	print("\n")

	printf("%#c%#c%#c%#c%#c%#c\n",
		0, 033, 0177, 0222, 0333, 0377)

	exit()
}
