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Type: Posts; User: wjday

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  1. Replies
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    instances of a structure in a structure

    Hi,

    I have the following structure, made up of four structures:-



    struct customer_details {
    struct1;
    struct2;
    struct3;
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    Using classes as data members

    Hi,

    I've asked this question before but although I got a solution that worked, I didn't understand why it did. Bassically, I have a class that sets up a point, and then another class that uses...
  3. Thread: classes

    by wjday
    Replies
    7
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    959

    As a matter of interest, how would I overload the...

    As a matter of interest, how would I overload the << operator?
  4. Thread: classes

    by wjday
    Replies
    7
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    959

    Sorry, it does work!!!!!!!!! Thanks, Bill

    Sorry, it does work!!!!!!!!!

    Thanks,

    Bill
  5. Thread: classes

    by wjday
    Replies
    7
    Views
    959

    that brings up the same error message. Any other...

    that brings up the same error message. Any other ideas?

    Thanks,

    Bill
  6. Thread: classes

    by wjday
    Replies
    7
    Views
    959

    classes

    Hi,
    trying to teach myself C++ and have ran into the following problem......

    I have created a class "point" to hold a coordinate. I then have another class "circle" which records a radius and...
  7. Thread: problem with cin

    by wjday
    Replies
    8
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    981

    well done that man. Now works fine....no...

    well done that man.

    Now works fine....no mention of .cpp extensions in book though!!!

    Thanks again.

    Bill
  8. Thread: problem with cin

    by wjday
    Replies
    8
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    981

    the code is..... #include //...

    the code is.....

    #include <iostream.h>

    // -------------
    // PROTOTYPES
    // -------------

    int calculateArea(int height, int width, int depth);
  9. Thread: problem with cin

    by wjday
    Replies
    8
    Views
    981

    problem with cin

    Hi,
    This is my first day at trying to teach myself C++, although I do have experince of C.

    The problem that I have is that using Microsoft Developer Studio, when I include <iostream.h>, the...
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    thanks for your interest, i've solved it like...

    thanks for your interest, i've solved it like this.....

    commentsRemoved = (strstr(copy, "//"));

    if (commentsRemoved) {
    (int)commentsRemoved = commentsRemoved- copy;
    ...
  11. Replies
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    sorry, i don't understand what you mean with your...

    sorry, i don't understand what you mean with your new suggestion.

    is there any way that i could use the strstr function (which recognises whole strings)? Something along the lines of when it finds...
  12. Replies
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    But they're allowed by Microsot developer studio...

    But they're allowed by Microsot developer studio and i have to cater for every possibility.

    With the /*....*/ comment, I will have the same probem, as the strtok function seems only to recognise...
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    3,246

    still having no joy. Any more ideas? Thanks

    still having no joy.

    Any more ideas?

    Thanks
  14. Replies
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    3,246

    ignoring comments

    Hi,

    Trying to write a program that reads C files and so need to ignore comments. I'm using the strtok function

    strtok(myline, "//")

    to remove single line comments. However, this tokenises...
  15. Thread: output to file

    by wjday
    Replies
    2
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    1,231

    output to file

    Hi,

    I've written a program and want the output to go to file. My data is stored in a linked-list and a function is called to loop through the list and print it, using something like
    ...
  16. Replies
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    occurences in a string

    is there a c function that counts the number occurences of a character in a string. For example, given
    somthing like...

    (apple, p)

    will return 2 (for two p's)?

    Thanks,

    Bill
  17. Replies
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    i sort of know what the problem is but still need...

    i sort of know what the problem is but still need a little bit of help...

    char line[1000] is getting passed to the 1st function where it is being tokenised. When the 2nd function tries to use...
  18. Replies
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    "line" is decalred as... char line[1000]; ...

    "line" is decalred as...

    char line[1000];

    i'm trying to read a text file line by line. the two functions that i call don't modify the line, though i am ready the tokens by splitting it...

    ...
  19. Replies
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    1,040

    functions won't work together

    Hi,

    I'm reading in a file called openInFile and then passing it line by line to two functions as follows....

    while (fgets(line, sizeof(line), openedInFile) != NULL) {
    ...
  20. Replies
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    is a header file the answer?

    I am writing a prog. which performs tools on a variety of other C progs. When I know that paths of these files, I can store them as an array in my source code.
    However, I want to be able to...
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    if I have char delim[] = "\t " then the prog....

    if I have char delim[] = "\t " then the prog. works fine, but when I add \n to it, (ie: char delim[] = "\t in") it compiles but I get the message that the programme has performed an illegal operation...
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    thanks mate, i think i understand the strtok a...

    thanks mate, i think i understand the strtok a lot more now. I'll give your suggestion a go but i think it will work. can't understand why your fontsize is so big though!!!!

    Bill

    PS. Can I ask...
  23. Replies
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    Am using.... while (fgets(line, sizeof(line),...

    Am using....

    while (fgets(line, sizeof(line), openedInFile) != NULL) {
    splitTokens(line);
    }

    to open file and send each individual line to splitTokens, which has (char string[]) as...
  24. Replies
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    carriage return when tokenizing

    Hi,

    I am using fgets() to read in a series of lines from a text file, then splitting this into tokens using strtok(). These tokens are then compared to an array of other tokens, and printed if the...
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    reading in files token by token

    hi, can someone help me with this (hopefully) minor problem...

    I want to open a C file and read it in word by word (or split it into tokens as is possible in Java). This is so that I can recognise...
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