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Obfuscated brainfuck interpreter
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| /* Copyright (C) 2017 rw-r-r-0644 */ | |
| #include <stdio.h> | |
| #include <fcntl.h> | |
| #include <unistd.h> | |
| #include <stdlib.h> | |
| char m[1<<16],*o=m,*p;j,k;main(a,b)char**b;{for(k=lseek(j=open(b[1 | |
| ],0),0,2),lseek(j,0,0),read(j,p=calloc(k+1,1),k);*p;p++){(j=*p)>42 | |
| &j<47?j&1?*o+=44-j:j&2?putchar(*o):read(0,o,1):(j&~2)==60?o+=j-61: | |
| 0;for(k=abs(j-=92)==1&&j>0^!*o;k;k+=((*(p-=j)==93)-(*p==91))*j);}} |
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