main() function in C
#main() function is the entry point of any C program. It is the point at which execution of program is started. When a C program is executed, the execution control goes directly to the main() function. Every C program have a main() function.
Syntax
void main() { ......... ......... }
In above syntax;
- void: is a keyword in C language, void means nothing, whenever we use void as a function return type then that function nothing return. here main() function no return any value.
- In place of void we can also use int return type of main() function, at that time main() return integer type value.
- main: is a name of function which is predefined function in C library.
Simple example of main()
Example
#include<stdio.h> void main() { printf("This is main function"); }
Output
This is main function
