A program to send and handle every UNIX signal
While playing around with errno I decided to test what happens if I sent (and handled) every possible UNIX signal to a program.
Running this as a non-root user, I figured I co...
C Programming: Reading from inactive union members
Unions are an interesting construct that you're likely to find in C programs.
A union looks similar to a struct on the outside, but it has a special quality that it can only h...
Iterate through all values of errno
Ever wondered about all the possible UNIX error messages?
I wanted to see what all the possible errors are, so I wrote a little program which iterates through all possible valu...
See Also
History and importance of Open Source Software in cryptocurrency development
Open Source Software (OSS) plays a critically important role in the development of cryptocurrencies, but it is almost always ignored or taken for granted by most crypto users. It’s as if the transparency and collaborative spirit that OSS provides had always been there, available to us whenever we needed it. But the truth is far […]
Concepts In This Page
C Programming
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All about programming in the C language.
C Programming Language
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The C Programming Language is one of the world's most popular programming languages. C originated the C++ language which is used in several cryptocurrency projects, such as Bitcoin.
UNIX
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UNIX is an operating system brand and family. UNIX was invented at Bell Labs and meant to be a simpler version of MULTICS. Since UNIX is a registered trademark, Linux and *BSD systems cannot claim to be UNIX, though they are open source implementations of the underlying UNIX standard called POSIX.
union
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union is a C and C++ language construct where a single user defined type can take values of different types
errno
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errno is an integer global variable in the C programming language. It stores the most recent error code produced in the system. errno is read in order to print error messages to the screen.