Listing 7 Extract from strncat.c

/* /////////////////////////////////////////////////////////////
 * ...
 *
 * Extract from strncat.c
 *
 * Copyright (C) 2002, Synesis Software Pty Ltd.
 * (Licensed under the Synesis Software Standard Source License:
 *  http://www.synesis.com.au/licenses/ssssl.html)
 *
 * ...
 * ////////////////////////////////////////////////////////// */

char * __cdecl strncat(char *dest, const char *src, size_t count)
{
    char *dst;

    for(dst = dest; *dst; ++dst);

    for(; count && (*dst = *src) != '\0'; ++dst, ++src, --count)
    {}

    if(count)
    {
        *dst = '\0';
    }

    return dest;
}