Why start with C language programming? Isn't it too old? Actually, there are very good reasons to start with C.
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First of all, many beginners think that C is old and it is hardly used anymore. Not true! It is one of the most used programming languages today. And you will see that in a second.
As you will see below, C has many advantages. In fact it is one of the best choices for a first language. The reason for this is that learning C you learn how the things happen on a lower level. Then you, still, can transition to another language, if you like, but you will know what is happening behind the scenes.
For instance it is common practice to learn C, before C++. The transition is very natural.
The C programming language was created back in the days between 1969 - 1973. It was created by Dennis Ritchie at Bell Labs.
C was created with a purpose – to serve as creation tool for the UNIX operating system. So C was designed to create OSs. That’s why more than 40 years later it is still widely used to write operating systems or big parts of them.
For instance, the kernel of pretty much all modern systems was written in C(Windows, Mac, Linux, Android, Unix..).
Besides that, C language programming has application in many different areas:
In the history of C, there are several standards. The most important today are ANSI C (adopted by ISO C90), C99 and C11. These three standards represent the year in which they where published. The standards mainly expanded the language over the years, adding more capabilities.
Between 1983-1989, the American National Standards Institute created the ANSI C standard. This was the first major official standard for the language. Apparently they did a very good job, because the next year the International Organization for Standardization adopted the ANSI C as ISO C90 (the official name is ISO/IEC 9899:1990).
Even today, some compilers still rely only on this standard.
The language consisted of 32 keywords, 15 headers file in the standard library and several categories of operators.
In 1999 ISO updated the language, adding new stuff. The C99 adds 5 new keywords and 6 library headers. It also adds new features, like inline functions, one line comments and others.
C11 is the current standard for the C programming language. It also adds many new features - 7 keywords, 5 library headers and others.
Note, that not all compilers support the new standards. Also most of them work in ANSI mode by default. You need to check if your compiler supports the new standards. If it does look for a checkbox, dropdown to pick the standard mode or for a command line, where you have to add something like " -c11" to switch to the new standard.
Why C has so wide range of usage? C is a well structured language. It provides you with control over just about anything. Few languages are so powerful and efficient.
It has given a lot to the
programming world. Many of the modern languages are derived directly or
indirectly from it.
For example, C++ is a direct descendant of C. Languages like Java and C# are based on C++ and C, using similar syntax.
It is not a surprise that a popular term today is "C-like" syntax.
Additionally it is: