K & R C Programs Exercise 4-9.

Posted on January 12, 2012 by Sandeepa Nadahalli

K and R C, Solution to Exercise 4-9:
K and R C Programs Exercises provides the solution to all the exercises in the C Programming Language (2nd Edition). You can learn and solve K&R C Programs Exercise.
C Program to modify the K & R C Programs Exercise 4-8, getch and ungetch do not handlea pushed back EOF correctly. Decide what their properties ought to be if an EOF is pushed back, then implement the design
Read more about C Programming Language .

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* programs for commercial purposes,
* contact [email protected]
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***********************************************************/

#include<stdio.h>
#define BUFSIZE 100
int buf[BUFSIZE];
int bufp = 0;

//getch: get a (possibly pushed back) character
int getch(void)
{
 return (bufp > 0) ? buf[--bufp] : getchar();
}
//ungetch: push a character back onto the input
void ungetch(int c)
{
 if(bufp >= BUFSIZE)
  printf("ungetch: too many characters!");
 else
  buf[bufp++] = c;
}

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K&R C Program Exercise 1-07

Posted on November 2, 2011 by Sandeepa Nadahalli

/***********************************************************
* You can use all the programs on  www.c-program-example.com
* for personal and learning purposes. For permissions to use the
* programs for commercial purposes,
* contact [email protected]
* To find more C programs, do visit www.c-program-example.com
* and browse!
* 
*                      Happy Coding
***********************************************************/




#include <stdio.h>

int main(void)
{
 printf("The value of EOF is %dnn", EOF);

 return 0;
}

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K&R C Program Exercise 1-06

Posted on November 2, 2011 by Sandeepa Nadahalli

K and R C Programs Exercises provides the solution to all the exercises in the C Programming Language, second addition, by Brian W.Keringhan and Dennis M.Ritchie(Prentice Hall,1988). You can learn and solve K&R C Programs Exercise. C Program to Verify that the expression getchar() != EOF is 0 or 1. The program reads the charecters from the standard input and return 1, while getchar has a charecter to read it. When the program encounters the end of file,then it prints 0.Read more about C Programming Language .

/***********************************************************
* You can use all the programs on  www.c-program-example.com
* for personal and learning purposes. For permissions to use the
* programs for commercial purposes,
* contact [email protected]
* To find more C programs, do visit www.c-program-example.com
* and browse!
* 
*                      Happy Coding
***********************************************************/




#include <stdio.h>

int main(void)
{
 printf("Press a key. ENTER would be nice :-)nn");
 printf("The expression getchar() != EOF evaluates to %dn", getchar() != EOF);
 return 0;
}

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