Easier error handling by using automatic code generation [Perl interpreter]

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Perl interpreter has an interesting mechanism to checks if function arguments have correct values. Below is its example from util.c: char * Perl_delimcpy(register char *to, register const char *toend, register const char *from, register const char *fromend, register int...

Remote control of devices by using PC Speaker

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This is one of my older projects that aims to control external devices directly, by using the PC Speaker port. It can control multiple devices at one go, but they must be powered one at a time. I made it a couple of years ago and it was working fine, but due to mistake during plugging it literally burned...
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