We are going to learn a simple “Hello World” C program in this section.
Hello world Program in C
#include <stdio.h>
int main()
{
printf(“Hello World! “);
getch();
return 0;
}
Output:
Hello World!
Explanation for above C basic Program:
Let’s see all the sections of the above simple C program line by line.
- #include <stdio.h> This is a preprocessor command that includes standard inpuutput header file(stdio.h) from the C library before compiling a C program.
- int main() This is the main function from where execution of any C program begins.
- { This indicates the beginning of the main function.
- /*_some_comments_*/ whatever is given inside the command “/* */” in any C program, won’t be considered for compilation and execution.
- printf(“Hello World! “); printf command prints the output onto the screen.
- getch(); This command waits for any character input from keyboard.
- return 0; This command terminates C program (main function) and returns 0.
- } This indicates the end of the main function.
