编写php的extension实例的方法

, \"icbc support\", \"enabled\");
    php_info_print_table_end();   
}
PHP_FUNCTION(icbc_sign)
{
    char* src;
    int srclen;
    char* pkey;
    int keylen;
    char* keypass;
    int keypasslen;
    char* signedbuf;
    int signedbuflen;
    FILE* fp;
    char key[2000];
    int rcc;

    if(zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC,\"sss\",&src,&srclen,&pkey,&keylen,&keypass,&keypasslen) == FAILURE){
        return;
    }

    fp = fopen(pkey,\"rb\");
    if(fp == NULL)
    {
        return;
    }
    fseek(fp,2,SEEK_SET);
    fread((void*)key,609,1,fp);
    fclose(fp);

    if(rcc = sign(src,srclen,key,607,keypass,&signedbuf,&signedbuflen) >= 0){
        base64enc(signedbuf,signedbuflen,&signedbuf,&signedbuflen);
        src = estrndup(signedbuf,signedbuflen);
        if(signedbuf != NULL) infosec_free(signedbuf);
        RETURN_STRING(src,1); [Page]
    }else{
        RETURN_LONG(rcc);
    }
}PHP_FUNCTION(icbc_vsign)
{
    char* src;
    int srclen;
    char* cert;
    int certlen;
    char* vsignedbuf;
    int vsignedbuflen;
    FILE* fp;
    char vcert[2000];
    int rcc;

    if(zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC,\"sss\",&src,&srclen,&cert,&certlen,&vsignedbuf,&vsignedbuflen) == FAILURE){
        return;
    }

    fp = fopen(cert,\"rb\");
    if(fp == NULL)
    {
        return;
    }
    fread((void*)vcert,1525,1,fp);
    fclose(fp);

    base64dec(vsignedbuf,vsignedbuflen,&vsignedbuf,&vsignedbuflen);

    if(rcc&