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fn main(argc, argv)

// typeless language
// (i know, this stupid but me bad)
fn main(argc, argv)
{
	const usage_str = "usage: %s <file>\n";
	if argc != 2 {
		fprintf(stderr, usage_str, argv[0]);
		return 1;
	}
	const fp = fopen(argv[1], "rb");
	if fp == null {
		perror("main");
		return 1;
	}
	const data = drain(fp);
	fclose(fp);
	if data == 0 {
		fprintf(stderr, "failed to drain '%s'\n", argv[1]);
		return 1;
	}
	const toks = lexer(data);
	free(data);
	if toks == 0 {
		fprintf(stderr, "lexer failed\n");
		return 1;
	}
	lexer_print(toks);
	lexer_free(toks);
	return 0;
}