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***Back_track*** · 06-01-2010, 10:37 AM

Code:

/**

*Sprintf example and explanation

*[C] Back_Track 

*http://www.pro9ramming.com

*

**/

#include <stdio.h>

int main(int argc, char *argv[])

    {

        /*

        *sprintf_data will  store sprintf, sprintf returns and int(length of the string)

        *adding_data will be used as data to add into our string

        */

        int sprintf_data , adding_data=95345;

        /*

        *String_Sprintf is the String we'll add the characters into

        */

        char  String_Sprintf[256];

        /*

        *make the int sprintf_data be equal to the number of Chars in the String String_sprintf

        *The first variable is where the next parameter will be stored(the string)

        *the third argument is just for the %d in the string in the 2nd parameter

        */

        sprintf_data = sprintf(String_Sprintf,"%d Here is a string.",adding_data);

        /*

        *Print it

        */

        printf("Length of String_Sprintf  is %d\nIt contains\n%s\n",sprintf_data,String_Sprintf);

        return 0;

    }

usage:
int sprintf ( char * str, const char * format, ... );

Sprintf just formats a String, and at the same time, it gives the length value of the String to a previously initiated integer.

This works like printf,but instead of writing to the console, it writes to a String

Referenced
C++ Reference helped me to understand the core concept of this.

***drdebcol*** · 06-02-2010, 03:15 AM

Very good explanation i can say !