irl · October 31, 2019 20:51
diff --git a/scramble.c b/scramble.c
 #include <stdio.h>

 int
 main(int argc, char **argv)
 {
        int c, r;
        r = 0;
        while ((c = getc(stdin)) != EOF) {
                r = (13 * r + 249) & 0xff;
                putc(c ^ r, stdout);
        }
 }
	#include <stdio.h>

	int
	main(int argc, char **argv)
	{
	int c, r;
	r = 0;
	while ((c = getc(stdin)) != EOF) {
	r = (13 * r + 249) & 0xff;
	putc(c ^ r, stdout);
	}
	}