I am converting this Java prog to C, need some help

This is a discussion on I am converting this Java prog to C, need some help within the C Programming forums, part of the General Programming Boards category; This program was originally written in Java, but I have converted everything except: 'printf(Integer.toBinaryString(iNum));' What would I change that to? ...

  1. #1
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    Aug 2003
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    I am converting this Java prog to C, need some help

    This program was originally written in Java, but I have converted everything except: 'printf(Integer.toBinaryString(iNum));'

    What would I change that to? This is an integer to binary program. I apologize, I am a newb at this.

    Code:
    #include <stdio.h>
    #include <c:\learning.h>
    
    int main()
    {
    
    			int iNum;
    			printf("Please enter a positive integer, or press 0 to quit\n\n");
    			scanf("%d",&iNum);
    
    			while ( iNum != 0)
    			{
    			
    				printf(Integer.toBinaryString(iNum));
    				printf("Enter another integer or 0 to quit\n\n");
    				scanf("%d",&iNum);
    				
    			}
    		
    
    }

  2. #2
    End Of Line Hammer's Avatar
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    6,231
    There is no standard function to do convert something to binary like that, you'll need to write your own. There are plenty of samples on these forums, try doing a search and see what you can find.
    When all else fails, read the instructions.
    If you're posting code, use code tags: [code] /* insert code here */ [/code]

  3. #3
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    102

    Suggestions

    Hi man,
    Visit this
    convert char to binary???
    Saravanan.T.S.
    Beginner.

  4. #4
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    Aug 2003
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    14

    Re: Suggestions

    Originally posted by saravanan_ts
    Hi man,
    Visit this
    convert char to binary???
    Edit:

    I found it using search, thanks everyone. I will be needing your help later probably.
    Last edited by Kons; 08-07-2003 at 06:56 AM.

  5. #5
    End Of Line Hammer's Avatar
    Join Date
    Apr 2002
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    6,231
    In order to learn, as opposed to simply copy/pasting code, I'd suggest you look at Prelude's version in the thread already mentioned. Understand what it's doing, adapt it to suit your needs (it doesn't do what you want, but it's very close), and then incorporate it into your code.

    >>printf ("%d in binary is %s\n", num, IntToBin(num));
    When all else fails, read the instructions.
    If you're posting code, use code tags: [code] /* insert code here */ [/code]

  6. #6
    Registered User
    Join Date
    Jul 2003
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    102
    Hi man,
    Here is the thing.
    Code:
    #include <stdio.h>
    #include<stdlib.h>
    int main()
    {
    
    			int iNum;
    			char str[10];
    			printf("Please enter a positive integer, or press 0 to quit\n\n");
    			scanf("%d",&iNum);
    
    			while ( iNum != 0)
    			{
    				itoa(iNum,str,10);
    				//call my function here//pass str as parameter.get return value in a pointer or char array.								
    				printf("Enter another integer or 0 to quit\n\n");
    				scanf("%d",&iNum);
    				
    			}
    		
    
    }
    Saravanan.T.S.
    Beginner.

  7. #7
    Registered User
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    Aug 2003
    Posts
    14
    Thanks guys, I figured it out with your help.

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