1_Getting Started in C_Language

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(Read all the paragraph, if you want better knowledge in C.)

Let us begin with a quick introduction in C.

First to start Programming in c.

In C, the program to print ``hello, world'' is

#include <stdio.h>
main() 
{
printf("hello, world\n"); 
getch(); /* It is important to write this function. otherwise you will not be able to see your program. It means Get Character.*/
}

To perform this programme you need a software to write program in and to compile.

Here is the link to that software. Visit.

 The first line of the program,
 #include <stdio.h> tells the compiler to include information about the standard input/output library; the line appears at the beginning of many C source files. Main is defined to be a function that expects no arguments, which is indicated by the empty list ( ).


#include <stdio.h>                include information about standard library

    main()                               define a function called main that received no argument values {                                           statements of main are enclosed in braces.
printf("hello, world\n");           main calls library function printf to print this sequence of characters      }                                 \n represents the newline character The first C program

The statements of a function are enclosed in braces { }. The function main contains only one statement,


   #include <stdio.h>
main()   {     printf("hello, ");     printf("world");     printf("\n");   } to produce identical output. Notice that \n represents only a single character. An escape sequence like \n provides a general and extensible mechanism for representing hard-to-type or invisible characters. Among the others that C provides are \t for tab, \b for backspace, \" for the double quote and \\ for the backslash itself.

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