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The increasing popularity of C is probably due to its many desirable qualities.It is a robust language whose rich set of built-in functions and operations can be used to write any complex program.The C compilers combines the ccapabilities of an assembly language with the features of a high level language and therefore it is well suited for riting both system software and business packages.I fact,many of the C compilers available in the market are written in C.
There are many importance of C program.
1.Program written in C are efficient and fast.
2.C is highly portable.this means that C programs written for one computer can be run on another with little or no modification.
3.C language is well suited for structured programming.
4. C program basically a collection of functions that are suppotted by the C library.