help chack for array and fgets

This is a discussion on help chack for array and fgets within the C++ Programming forums, part of the General Programming Boards category; #include<stdio.h> #include<conio.h> #include<string.h> #include<iostream.h> int main(void) { char msg[20]; /* 0 to 19 = 20 elements the last element should ...

  1. #1
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    help chack for array and fgets

    #include<stdio.h>
    #include<conio.h>
    #include<string.h>
    #include<iostream.h>

    int main(void)
    {
    char msg[20]; /* 0 to 19 = 20 elements the last element should never be accessed */
    /* its reseved for the \0 so in this case 0 to 18 = 19 elements are */
    /* accessable */

    /* read a string from a stream ie stdin, stops reading when it reads n-1 chars */
    fgets(msg, 19, stdin); /* or a newline character whichever comes first */
    /* fgets retains the \n character which is also copied to the array which is */
    /* terminated by an \0 */

    cout<<msg;

    return 0;
    }

    /* The array msg has 20 elements 0 to 19 this 19th elements should never be accessed */
    /* because it stores the \0(NULL) now fgets reads n-1 chars ie 19-1=18 chars plus */
    /* the \n and the \0 therefor fgets has 18 input chars including the \n */

  2. #2
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    sorry did'nt really put what I whanted are the above code and comments corect concerning the array with fgets.

    thanks.

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