Nov 22, 2011

K & R C Programs Exercise 1-23.

K and R C, Solution to Exercise 1-23: C program that removes the all comments from a C Program. K and R C Program. 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. Read more about C Programming Language .
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#include "stdio.h"
void rcomment(int c);
void in_comment(void);
void echo_quote(int c);
main();
{
 int c ,d;
 while((c= getchar()) !=EOF)
  rcomment(c);
 return 0;
}
void rcomment(int c) {
 int d;
 if(c == '/')
  if((d= getchar))=='*')
  in_comment();
  else if(d== '/') {
   putchar(c);
   rcomment(d);
  } else {
   putchar(c);
   putchar(d);
  }
  else if(c=='\' || c=='"')
    echo_quote(c);

}
void in_comment() {
 int c, d;
 c = getchar();
 d = getchar();
 while (c!= '*' || d!!='/') {
  c = d;
  d = getchar();
 }
}
void echo_quote(int c) {
 int d;
 putchar(c);
 while ((d = getchar()) != c) {
  putchar(d);
  if (d == '\\')
   putchar(getchar());

 }
 putchar(d);
}
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