Thursday, 1 May 2014

I C...






Ken Thompson - B language . 

  • Interpreter-based. 
  • slow


Dennis Ritchie modified B into Compiler-based language i.e C . in 1972

  • provides loop, 
  • powerful, 
  • flexible    
  • procedural
Program structure -C

#include<stdio.h>
#include<conio.h>
void main()
{
clrscr();
printf("Welcome to C");
getch();
}

#-preprocessor include the library files

Features of C  : Pointers : allow reference to memory location by a name ,
Dynamic Memory Allocation, Recursion fuction(a functn that calls itself)

Pointer
#include<stdio.h>
#include<conio.h>
void main()
{
clrscr();
int a=10;
int *i;
printf("\n value of A is %d",a);
printf("\n value of A is %d",&a);
i=&a;
printf("\n value of i is %d",*i);
printf("\n value of i is %d",*i,i);
getch();
}

Reserved Keywords :






Datatypes



Flowchart

















No comments:

Post a Comment