5218 posix definition of NULL
correct unistd.h and iso/stddef_iso.h
update gate source affected

*** 99,110 ****
  #endif /* _KERNEL */
   },
      { ENCTYPE_DES_CBC_RAW,
        "des-cbc-raw", "DES cbc mode raw",
        &krb5int_enc_des, NULL,
!       krb5_raw_encrypt_length, krb5_raw_encrypt, krb5_raw_decrypt,
!       NULL,
  #ifndef _KERNEL
        krb5int_des_string_to_key,
  #else
        SUN_CKM_DES_CBC,
        NULL,
--- 99,109 ----
  #endif /* _KERNEL */
   },
      { ENCTYPE_DES_CBC_RAW,
        "des-cbc-raw", "DES cbc mode raw",
        &krb5int_enc_des, NULL,
!       krb5_raw_encrypt_length, krb5_raw_encrypt, krb5_raw_decrypt, 0,
  #ifndef _KERNEL
        krb5int_des_string_to_key,
  #else
        SUN_CKM_DES_CBC,
        NULL,
*** 114,125 ****
  },
  
      { ENCTYPE_DES3_CBC_RAW,
        "des3-cbc-raw", "Triple DES cbc mode raw",
        &krb5int_enc_des3, NULL,
!       krb5_raw_encrypt_length, krb5_raw_encrypt, krb5_raw_decrypt,
!       NULL,
  #ifndef _KERNEL
        krb5int_dk_string_to_key,
  #else
        SUN_CKM_DES3_CBC,
        NULL,
--- 113,123 ----
  },
  
      { ENCTYPE_DES3_CBC_RAW,
        "des3-cbc-raw", "Triple DES cbc mode raw",
        &krb5int_enc_des3, NULL,
!       krb5_raw_encrypt_length, krb5_raw_encrypt, krb5_raw_decrypt, 0,
  #ifndef _KERNEL
        krb5int_dk_string_to_key,
  #else
        SUN_CKM_DES3_CBC,
        NULL,
*** 189,200 ****
  },
  
      { ENCTYPE_DES_HMAC_SHA1,
        "des-hmac-sha1", "DES with HMAC/sha1",
        &krb5int_enc_des, &krb5int_hash_sha1,
!       krb5_dk_encrypt_length, krb5_dk_encrypt, krb5_dk_decrypt,
!       NULL,
  #ifndef _KERNEL
        krb5int_dk_string_to_key,
  #else
        SUN_CKM_DES_CBC,
        SUN_CKM_SHA1_HMAC,
--- 187,197 ----
  },
  
      { ENCTYPE_DES_HMAC_SHA1,
        "des-hmac-sha1", "DES with HMAC/sha1",
        &krb5int_enc_des, &krb5int_hash_sha1,
!       krb5_dk_encrypt_length, krb5_dk_encrypt, krb5_dk_decrypt, 0,
  #ifndef _KERNEL
        krb5int_dk_string_to_key,
  #else
        SUN_CKM_DES_CBC,
        SUN_CKM_SHA1_HMAC,