#include <string>

#include <stdlib.h>

#include <stdio.h>

#include <string.h>

int main()

{

    std::string strDocName = "doc_test.txt";

    int nWordsCount;

    // ... calculate words count

    nWordsCount = 48;

    // {1} use sprintf - note, NOT type-safe, also

    // problematic if the string you're about to write

    // contains more characters than allocated

    char str1[ 512];

    sprintf( str1, "The %s contains %d words.", strDocName.c_str(), nWordsCount);

    // {2} use ecvt; only words for numbers + complicated to use

    int ignored;

    std::string str2 =

        "The " + strDocName +

        " contains " + ecvt( nWordsCount, 2, &ignored, &ignored) + " words";

    // {3} use _itoa nonportable function

    char strBuffer[ 40];

    std::string str3 =

        "The " + strDocName +

        " contains " + _itoa( nWordsCount, strBuffer, 10) + " words";

    return 0;

}