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** Brainf*ck Interpreter in C                                              **
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brainfck/

bf.c is a basic (and now working :D ) Brainf*ck language interpreter 
written in C language

There are some bf source codes I use to test successfully

$ gcc bf.c -o bf

$ ./bf beer.bf
...
38 Bottles of beer on the wall
38 Bottles of beer
Take one down and pass it around
37 Bottles of beer on the wall

37 Bottles of beer on the wall
37 Bottles of beer
Take one down and pass it around
36 Bottles of beer on the wall

36 Bottles of beer on the wall
36 Bottles of beer
Take one down and pass it around
35 Bottles of beer on the wall
...

$ ./bf toc.bf
#include <unistd.h>
char r[65536],*e=r;
main(){

$ ./bf cripto.bf
Ziviani
Mvivnav

$ ./bf helloworld.bf
Hello World!

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** Solving a SUDOKU game using backtracking algorithm                      **
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sudoku/

$ ./sudoku
SUDOKU GAME:
+-------+-------+-------+
| 9 4   | 1   2 |   5 8 |
| 6     |   5   |     4 |
|     2 | 4   3 | 1     |
+-------+-------+-------+
|   2   |       |   6   |
| 5   8 |   2   | 4   1 |
|   6   |       |   8   |
+-------+-------+-------+
|     1 | 6   8 | 7     |
| 7     |   4   |     3 |
| 4 3   | 5   9 |   1 2 |
+-------+-------+-------+
GAME SOLVED:
+-------+-------+-------+
| 9 4 7 | 1 6 2 | 3 5 8 |
| 6 1 3 | 8 5 7 | 9 2 4 |
| 8 5 2 | 4 9 3 | 1 7 6 |
+-------+-------+-------+
| 1 2 9 | 3 8 4 | 5 6 7 |
| 5 7 8 | 9 2 6 | 4 3 1 |
| 3 6 4 | 7 1 5 | 2 8 9 |
+-------+-------+-------+
| 2 9 1 | 6 3 8 | 7 4 5 |
| 7 8 5 | 2 4 1 | 6 9 3 |
| 4 3 6 | 5 7 9 | 8 1 2 |
+-------+-------+-------+

$ ./sudoku
SUDOKU GAME:
+-------+-------+-------+
| 9 4   | 1   2 |   5 8 |
| 6     |   5   |     4 |
|     2 | 4   3 | 1     |
+-------+-------+-------+
|   2   |       |   6   |
| 5   8 |   2   | 4   1 |
|   6   |       |   8 5 |
+-------+-------+-------+
|     1 | 6   8 | 7     |
| 7     |   4   |     3 |
| 4 3   | 5   9 |   1 2 |
+-------+-------+-------+
GAME IMPOSSIBLE TO SOLVE