How to use "fread","write","seek",counter to write a interactive talk in C,save in a file?

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How to use "fread","write","seek",counter to write a interactive talk in C,save in a file?

write initial question and all approriate "questions" from a state machine to screen

also write all "questions" and keyboard input "answers" to a new disk file

read the keyboard input answer from the disk file,check a state machine and responds appropriately a new question

If console type in "Exit", then stop.

Sample output on screen is same as the created disk file, looks like below:

User: “Knock Knock”

Machine: “Who is There?”

User: “Mike.”

Machine: “Mike Who?”

User: “Mike who deliever a pizza.”

Machine: “Cool.”

...

User: “Exit”

Machine: “I am out”

My code:

int main()
{ FILE *fp=fopen("test","a"); char s[256]; scanf("[^\n]",s); While (s!="Exit"){ fwrite("User:"+s,10,25,fp); responde(s); } fwrite("User:"+,10,25,fp); fwrite("Machine: i am out",10,25,fp); exit(0);  }  void respond(char* s){ if(s=="Knock Knock"){ printf("Machine:who is there"); fwrite("MAchine:who is there,10,25,fp); } if???? {printf("Machine: %s,who\n+User:",s); fwrite(""Machine: %s,who\n+USer",10,25,fp); } if (???)

Posted 13-May-11 0:47am

Member 7751939

Updated 13-May-11 0:52am

Joan M

v2

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Joan M · Answer 1 · 2011-05-13T01:08:00

Some thoughts:

In order to compare the arrays you need to make a loop in order to compare char by char or use strcmp[^] and char *.

fprintf should allow you to write the strings inside the file:

MIDL

FILE *fp;
fp=fopen("c:\\test.txt", "w");
fprintf(fp, "Testing...\n");

The design should be:

- Open the file.
- To make a state machine do a loop(1) and use switch or any other similar method...
- Create a function to write strings into the file (WSTF).
- Create a function to harvest strings from the user (RSFU).
- Inside that loop(1):
-- Write the right question.
-- stringAux = RSFU();
-- if (strcmp("exit", stringAux) {break loop}
-- else WSTF(stringAux);

and you are done...