Bitwise IO: Difference between revisions
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BLC bits to bytes
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Hello, world!
</pre>
=={{header|Binary Lambda Calculus}}==
As explained on https://www.ioccc.org/2012/tromp/hint.html, BLC program
<pre>44 68 16 05 7e 01 17 00 be 55 ff f0 0d c1 8b b2 c1
b0 f8 7c 2d d8 05 9e 09 7f bf b1 48 39 ce 81 ce 80</pre>
compresses a string of ASCII "0"/"1" bytes into an 8x smaller stream of bytes, padding the final byte with 0 bits.
=={{header|C}}==
MSB in a byte is considered the "first" bit. Read and write methods somewhat mimic fread and fwrite, though there's no fflush-like function because flushing bits into a file is ill-defined (this whole task is pretty ill-defined). Only way to make sure all bits are written to the file is by detaching the bit filter, just like how closing a file flushes out buffer. There's no limit on read/write size, but caller should ensure the buffer is large enough.
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return 0;
}</syntaxhighlight>
=={{header|C sharp|C#}}==
<syntaxhighlight lang="csharp">using System;
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