Am I conatenating these strings correcting

This is a discussion on Am I conatenating these strings correcting within the C Programming forums, part of the General Programming Boards category; My exposure to arrays and pointers are bit limited. And concatened strings even less ( it was not covered in ...

  1. #1
    Registered User
    Join Date
    Apr 2009
    Posts
    16

    Am I conatenating these strings correcting

    My exposure to arrays and pointers are bit limited. And concatened strings even less ( it was not covered in my class so I had to use my book. ) So I know there are errors. I can not use any of C string libary functions. Thoughts?




    Code:
    #include <stdio.h>
    
    char *strcat385(char string1[ ], char string2[ ]) {
    int i = 0;
    
    while(str[i])
    
    {
    string1[i] = str[i];
    ++i;
    }
    
    ++i;
    
    while(str2[])
    
    {
    
    string1[i] = strign2[];
    
    ++i;
    }
    
    
    
    string1 [i] = '\0';
    
    
    }
    
    int main( ) {
      char str[50] = "CSC course 385 ",
           str2[ ] = "sections 701, 710";
      printf("The return from strcat373:\n%s\n", strcat(str, str2));
      printf("string1 is %s\nstring2 is %s\n", str, str2);
    }
    Last edited by uscuba2; 04-11-2009 at 03:20 PM.

  2. #2
    C / C++
    Join Date
    Jan 2006
    Location
    The Netherlands
    Posts
    312
    Code:
    while(str[i])
    str hasn't been declared in that scope, same for str2.

    Your function doesn't return a value, but it's supposed to return a char *.

    Code:
    printf("The return from strcat373:\n%s\n", strcat(str, str2));
    The function you are writing is named strcat385()...

    Main returns an int, try using

    Code:
    return 0;
    at the end of the main function.
    Operating Systems:
    - Ubuntu 9.04
    - XP

    Compiler: gcc

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