Introduction of C
C is structural Language, Its has much facility like portability, flexibility and efficiency. Portability mean which can be use multiple place. Flexibility mean it support all Operating System and all platform. C has good efficiency of many low level fractions. Its can build complex program by simple elements.
Its has more built in function and case sensitive and flexible language. C used to create and build ah new programming languages as well as operating system.
Structure of C:-
- Header File
- Main Function
- Variable declaration
- Variable initialization
- Written of Statement
- End of file
Header file
Header files are collection of keyword and function on it. Its call member functions and embed with current program.
Ex:
Stdio.h
conio.h
string.h
math.h and etc...
Main Function:
Main function is first execution function of C program. Without this function cannot run program. When execution starts after checking header file main function only run. Main function is heart of program.
Ex:
Main()
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