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https://github.com/sehugg/8bitworkshop.git
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368 lines
12 KiB
C
368 lines
12 KiB
C
/* eliza.c
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* ys
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* original code by Weizenbaum, 1966
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* this rendition based on Charles Hayden's Java implementation from http://chayden.net/eliza/Eliza.html
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*
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* Note: There are certainly far more optimal and elegant ways to code this... we kept this
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* structure to be faithful to the original. -scaz
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*/
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#include <ctype.h>
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#include <stdio.h>
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#include <string.h>
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#define NUMKEYWORDS 37
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#define MAXLINELEN 40
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#define NUMSWAPS 14
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#include "msxbios.h"
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//#link "msxbios.c"
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const char *keywords[]= {
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"CAN YOU","CAN I","YOU ARE","YOURE","I DONT","I FEEL",
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"WHY DONT YOU","WHY CANT I","ARE YOU","I CANT","I AM","IM ",
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"YOU ","I WANT","WHAT","HOW","WHO","WHERE",
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"WHEN","WHY",
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"NAME","CAUSE","SORRY","DREAM","HELLO","HI ","MAYBE",
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" NO","YOUR","ALWAYS","THINK","ALIKE","YES","FRIEND",
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"COMPUTER","CAR","NOKEYFOUND"};
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const char *SWAPS[NUMSWAPS][2] = {
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{"ARE","AM"},
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{"WERE", "WAS"},
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{"YOU","I"},
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{"YOUR", "MY"},
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{"IVE", "YOU'VE"},
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{"IM", "YOU'RE"},
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{"YOU", "ME"},
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{"ME", "YOU"},
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{"AM","ARE"},
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{"WAS", "WERE"},
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{"I","YOU"},
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{"MY", "YOUR"},
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{"YOUVE", "I'VE"},
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{"YOURE", "I'M"}
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};
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int ResponsesPerKeyword[NUMKEYWORDS]= {
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3,2,4,4,4,3,
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3,2,3,3,4,4,
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3,5,9,9,9,9,
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9,9,
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2,4,4,4,1,1,5,
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5,2,4,3,7,3,6,
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7,5,6};
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const char *responses[NUMKEYWORDS][9] = {
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{ "DON'T YOU BELIEVE THAT I CAN*",
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"PERHAPS YOU WOULD LIKE TO BE ABLE TO*",
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"YOU WANT ME TO BE ABLE TO*"},
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{ "PERHAPS YOU DON'T WANT TO*",
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"DO YOU WANT TO BE ABLE TO*"},
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{ "WHAT MAKES YOU THINK I AM*",
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"DOES IT PLEASE YOU TO BELIEVE I AM*",
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"PERHAPS YOU WOULD LIKE TO BE*",
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"DO YOU SOMETIMES WISH YOU WERE*"},
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{ "WHAT MAKES YOU THINK I AM*",
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"DOES IT PLEASE YOU TO BELIEVE I AM*",
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"PERHAPS YOU WOULD LIKE TO BE*",
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"DO YOU SOMETIMES WISH YOU WERE*"},
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{ "DON'T YOU REALLY*",
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"WHY DON'T YOU*",
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"DO YOU WISH TO BE ABLE TO*",
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"DOES THAT TROUBLE YOU?"},
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{ "TELL ME MORE ABOUT SUCH FEELINGS.",
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"DO YOU OFTEN FEEL*",
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"DO YOU ENJOY FEELING*"},
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{ "DO YOU REALLY BELIEVE I DON'T*",
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"PERHAPS IN GOOD TIME I WILL*",
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"DO YOU WANT ME TO*"},
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{ "DO YOU THINK YOU SHOULD BE ABLE TO*",
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"WHY CAN'T YOU*"},
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{ "WHY ARE YOU INTERESTED IN WHETHER OR NOT I AM*",
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"WOULD YOU PREFER IF I WERE NOT*",
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"PERHAPS IN YOUR FANTASIES I AM*"},
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{ "HOW DO YOU KNOW YOU CAN'T*",
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"HAVE YOU TRIED?",
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"PERHAPS YOU CAN NOW*"},
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{ "DID YOU COME TO ME BECAUSE YOU ARE*",
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"HOW LONG HAVE YOU BEEN*",
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"DO YOU BELIEVE IT IS NORMAL TO BE*",
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"DO YOU ENJOY BEING*"},
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{ "DID YOU COME TO ME BECAUSE YOU ARE*",
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"HOW LONG HAVE YOU BEEN*",
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"DO YOU BELIEVE IT IS NORMAL TO BE*",
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"DO YOU ENJOY BEING*"},
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{ "WE WERE DISCUSSING YOU-- NOT ME.",
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"OH, I*",
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"YOU'RE NOT REALLY TALKING ABOUT ME, ARE YOU?"},
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{ "WHAT WOULD IT MEAN TO YOU IF YOU GOT*",
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"WHY DO YOU WANT*",
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"SUPPOSE YOU SOON GOT*",
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"WHAT IF YOU NEVER GOT*",
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"I SOMETIMES ALSO WANT*"},
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{ "WHY DO YOU ASK?",
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"DOES THAT QUESTION INTEREST YOU?",
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"WHAT ANSWER WOULD PLEASE YOU THE MOST?",
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"WHAT DO YOU THINK?",
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"ARE SUCH QUESTIONS ON YOUR MIND OFTEN?",
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"WHAT IS IT THAT YOU REALLY WANT TO KNOW?",
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"HAVE YOU ASKED ANYONE ELSE?",
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"HAVE YOU ASKED SUCH QUESTIONS BEFORE?",
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"WHAT ELSE COMES TO MIND WHEN YOU ASK THAT?"},
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{ "WHY DO YOU ASK?",
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"DOES THAT QUESTION INTEREST YOU?",
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"WHAT ANSWER WOULD PLEASE YOU THE MOST?",
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"WHAT DO YOU THINK?",
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"ARE SUCH QUESTIONS ON YOUR MIND OFTEN?",
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"WHAT IS IT THAT YOU REALLY WANT TO KNOW?",
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"HAVE YOU ASKED ANYONE ELSE?",
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"HAVE YOU ASKED SUCH QUESTIONS BEFORE?",
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"WHAT ELSE COMES TO MIND WHEN YOU ASK THAT?"},
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{ "WHY DO YOU ASK?",
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"DOES THAT QUESTION INTEREST YOU?",
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"WHAT ANSWER WOULD PLEASE YOU THE MOST?",
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"WHAT DO YOU THINK?",
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"ARE SUCH QUESTIONS ON YOUR MIND OFTEN?",
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"WHAT IS IT THAT YOU REALLY WANT TO KNOW?",
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"HAVE YOU ASKED ANYONE ELSE?",
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"HAVE YOU ASKED SUCH QUESTIONS BEFORE?",
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"WHAT ELSE COMES TO MIND WHEN YOU ASK THAT?"},
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{ "WHY DO YOU ASK?",
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"DOES THAT QUESTION INTEREST YOU?",
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"WHAT ANSWER WOULD PLEASE YOU THE MOST?",
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"WHAT DO YOU THINK?",
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"ARE SUCH QUESTIONS ON YOUR MIND OFTEN?",
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"WHAT IS IT THAT YOU REALLY WANT TO KNOW?",
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"HAVE YOU ASKED ANYONE ELSE?",
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"HAVE YOU ASKED SUCH QUESTIONS BEFORE?",
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"WHAT ELSE COMES TO MIND WHEN YOU ASK THAT?"},
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{ "WHY DO YOU ASK?",
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"DOES THAT QUESTION INTEREST YOU?",
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"WHAT ANSWER WOULD PLEASE YOU THE MOST?",
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"WHAT DO YOU THINK?",
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"ARE SUCH QUESTIONS ON YOUR MIND OFTEN?",
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"WHAT IS IT THAT YOU REALLY WANT TO KNOW?",
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"HAVE YOU ASKED ANYONE ELSE?",
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"HAVE YOU ASKED SUCH QUESTIONS BEFORE?",
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"WHAT ELSE COMES TO MIND WHEN YOU ASK THAT?"},
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{ "WHY DO YOU ASK?",
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"DOES THAT QUESTION INTEREST YOU?",
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"WHAT ANSWER WOULD PLEASE YOU THE MOST?",
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"WHAT DO YOU THINK?",
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"ARE SUCH QUESTIONS ON YOUR MIND OFTEN?",
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"WHAT IS IT THAT YOU REALLY WANT TO KNOW?",
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"HAVE YOU ASKED ANYONE ELSE?",
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"HAVE YOU ASKED SUCH QUESTIONS BEFORE?",
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"WHAT ELSE COMES TO MIND WHEN YOU ASK THAT?"},
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{ "NAMES DON'T INTEREST ME.",
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"I DON'T CARE ABOUT NAMES-- PLEASE GO ON."},
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{ "IS THAT THE REAL REASON?",
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"DON'T ANY OTHER REASONS COME TO MIND?",
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"DOES THAT REASON EXPLAIN ANY THING ELSE?",
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"WHAT OTHER REASONS MIGHT THERE BE?"},
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{ "PLEASE DON'T APOLOGIZE.",
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"APOLOGIES ARE NOT NECESSARY.",
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"WHAT FEELINGS DO YOU HAVE WHEN YOU APOLOGIZE?",
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"DON'T BE SO DEFENSIVE!"},
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{ "WHAT DOES THAT DREAM SUGGEST TO YOU?",
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"DO YOU DREAM OFTEN?",
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"WHAT PERSONS APPEAR IN YOUR DREAMS?",
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"ARE YOU DISTURBED BY YOUR DREAMS?"},
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{ "HOW DO YOU DO--PLEASE STATE YOUR PROBLEM."},
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{ "HOW DO YOU DO--PLEASE STATE YOUR PROBLEM."},
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{ "YOU DON'T SEEM QUITE CERTAIN.",
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"WHY THE UNCERTAIN TONE?",
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"CAN'T YOU BE MORE POSITIVE?",
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"YOU AREN'T SURE?",
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"DON'T YOU KNOW?"},
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{ "ARE YOU SAYING NO JUST TO BE NEGATIVE?",
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"YOU ARE BEING A BIT NEGATIVE.",
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"WHY NOT?",
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"ARE YOU SURE?",
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"WHY NO?"},
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{ "WHY ARE YOU CONCERNED ABOUT MY*",
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"WHAT ABOUT YOUR OWN*"},
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{ "CAN YOU THINK OF A SPECIFIC EXAMPLE?",
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"WHEN?",
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"WHAT ARE YOU THINKING OF?",
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"REALLY, ALWAYS?"},
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{ "DO YOU REALLY THINK SO?",
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"BUT YOU ARE NOT SURE YOU*",
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"DO YOU DOUBT YOU*"},
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{ "IN WHAT WAY?",
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"WHAT RESEMBLANCE DO YOU SEE?",
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"WHAT DOES THE SIMILARITY SUGGEST TO YOU?",
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"WHAT OTHER CONNECTIONS DO YOU SEE?",
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"COULD THERE REALLY BE SOME CONNECTION?",
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"HOW?"},
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{ "YOU SEEM QUITE POSITIVE.",
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"ARE YOU SURE?",
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"I SEE.",
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"I UNDERSTAND."},
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{ "WHY DO YOU BRING UP THE TOPIC OF FRIENDS?",
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"DO YOUR FRIENDS WORRY YOU?",
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"DO YOUR FRIENDS PICK ON YOU?",
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"ARE YOU SURE YOU HAVE ANY FRIENDS?",
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"DO YOU IMPOSE ON YOUR FRIENDS?",
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"PERHAPS YOUR LOVE FOR FRIENDS WORRIES YOU?"},
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{ "DO COMPUTERS WORRY YOU?",
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"ARE YOU TALKING ABOUT ME IN PARTICULAR?",
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"ARE YOU FRIGHTENED BY MACHINES?",
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"WHY DO YOU MENTION COMPUTERS?",
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"WHAT DO YOU THINK MACHINES HAVE TO DO WITH YOUR PROBLEM?",
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"DON'T YOU THINK COMPUTERS CAN HELP PEOPLE?",
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"WHAT IS IT ABOUT MACHINES THAT WORRIES YOU?"},
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{ "OH, DO YOU LIKE CARS?",
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"MY FAVORITE CAR IS A LAMBORGINI COUNTACH. WHAT IS YOUR FAVORITE CAR?",
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"MY FAVORITE CAR COMPANY IS FERRARI. WHAT IS YOURS?",
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"DO YOU LIKE PORSCHES?",
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"DO YOU LIKE PORSCHE TURBO CARRERAS?"},
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{ "SAY, DO YOU HAVE ANY PSYCHOLOGICAL PROBLEMS?",
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"WHAT DOES THAT SUGGEST TO YOU?",
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"I SEE.",
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"I'M NOT SURE I UNDERSTAND YOU FULLY.",
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"COME, COME ELUCIDATE YOUR THOUGHTS.",
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"CAN YOU ELABORATE ON THAT?",
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"THAT IS QUITE INTERESTING."}
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};
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void print_center(const char *msg) {
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int numspaces=(MAXLINELEN-strlen(msg))/2;
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int i;
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for(i=0;i<numspaces;i++)
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printf(" ");
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printf("%s\n", msg);
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return;
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}
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void print_title () {
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printf("\n\n");
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print_center("*** ELIZA ***");
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print_center("Original code by Weizenbaum, 1966");
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print_center("To stop Eliza, type 'bye'");
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printf("\n\n");
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printf("HI! I'M ELIZA. WHAT'S YOUR PROBLEM?\n");
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}
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void readline(char *instr) {
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char c;
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int slen=0;
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c=getchar();
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while (c != '\n')
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{
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// removes punctuation and sets to uppercase
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if(isalpha(c) || isspace(c))
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instr[slen++]=toupper(c);
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if(slen>MAXLINELEN-1)
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{
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printf("Exceeded Max Line Length\n");
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}
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c=getchar();
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}
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instr[slen]='\0';
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}
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void main()
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{
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int k,baseLength;
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int whichReply[NUMKEYWORDS];
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char lastinput[MAXLINELEN];
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char reply[MAXLINELEN];
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char *baseResponse, *token;
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const char separator[2]=" ";
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char inputstr[MAXLINELEN];
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int x,s;
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char *location;
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// use the first reply for each keyword match the first time you see that keyword
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for (x=0;x<NUMKEYWORDS; x++) {
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whichReply[x] = 0;
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}
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// print a nice centered title screen
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INITXT();
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SCNCNT = 1; // set keyboard scan counter
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print_title();
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lastinput[0]='\0';
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while (1) {
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printf(">");
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readline(inputstr);
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printf("\n");
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// check for termination
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if (strcmp(inputstr,"BYE")==0)
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break;
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// check for repeated entries
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if (strcmp(lastinput,inputstr)==0)
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{
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printf("PLEASE DON'T REPEAT YOURSELF!\n");
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continue;
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}
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strncpy(lastinput,inputstr,strlen(inputstr)+1);
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// see if any of the keywords is contained in the input
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// if not, we use the last element of keywords as our default responses
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strcpy(reply,"");
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for(k=0;k<NUMKEYWORDS-1;k++)
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{
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location=strstr(inputstr, keywords[k]);
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if(location != NULL)
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break;
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}
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// Build Eliza's response
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// start with Eliza's canned response, based on the keyword match
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baseResponse = (char *) responses[k][whichReply[k]];
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baseLength = strlen(baseResponse);
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if(baseResponse[baseLength-1] != '*')
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{
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// if we have a baseResponse without an asterix, just use it as-is
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strcat(reply, baseResponse);
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}
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else
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{
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// if we do have an asterix, fill in the remaining with the user input
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// use all but the last character of the base response
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strncat(reply, baseResponse, baseLength-1);
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// now add in the rest of the user's input, starting at <location>
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// but skip over the keyword itself
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location+=strlen(keywords[k]);
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// take them one word at a time, so that we can substitute pronouns
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token = strtok(location, separator);
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while(token != NULL)
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{
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for(s=0;s<NUMSWAPS;s++)
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{
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if(strcmp(SWAPS[s][0], token) == 0)
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{
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token = (char *) SWAPS[s][1];
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break;
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}
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}
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strcat(reply," ");
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strcat(reply, token);
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token=strtok(NULL, separator);
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};
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strcat(reply, "?");
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}
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printf("%s\n", reply);
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// next time, use the next appropriate reply for that keyword
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whichReply[k]++;
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if ( whichReply[k] >= ResponsesPerKeyword[k])
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whichReply[k] = 0;
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}
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printf( "GOODBYE! THANKS FOR VISITING WITH ME...\n");
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}
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