iconvでEUC-JPをSJISにするテストコード

char *e( char *s )
{
    static char buf[256];
    size_t in  = strlen(s);
    size_t out = sizeof(buf)-1;
    char *p = buf;

    iconv_t cd = iconv_open("SJIS","EUCJP");
    iconv( cd, &s, &in, &p, &out );
    iconv_close(cd);

    *p = '\0';
    return buf;
}

これはひどい