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Posted By

rtperson on 12/02/12


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Palindrome Check In C

 / Published in: Haskell
 

A palindrome is a string that reads the same both backwards and forwards. Famous examples are "Madam I'm Adam" or "Able was I ere I saw Elba". This function checks that a given string reads the same backwards and forwards. (requires including stdbool.h)

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  1. bool checkPalindrome(char *number) {
  2.     char *begin, *end;
  3.     int x;
  4.     x = strlen(number) - 1;
  5.  
  6.     begin = &number[0];
  7.     end = &number[x];
  8.  
  9.     for ( ; x >= 0; --x) {
  10.         if ( *begin++ != *end--) return false;
  11.     }
  12.  
  13.     return true;
  14. }

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