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

*** 36,100 ****
  #include "cksumtypes.h"
  
  const struct krb5_cksumtypes krb5_cksumtypes_list[] = {
      { CKSUMTYPE_CRC32, KRB5_CKSUMFLAG_NOT_COLL_PROOF,
        "crc32", "CRC-32",
!       NULL, NULL, &krb5int_hash_crc32, 0,
  #ifdef _KERNEL
        NULL,
        CRYPTO_MECH_INVALID
  #endif /* _KERNEL */
  },
  
      { CKSUMTYPE_DESCBC, 0,
        "des-cbc", "DES cbc mode",
        ENCTYPE_DES_CBC_CRC, &krb5int_keyhash_descbc,
!       NULL,  NULL,
  #ifdef _KERNEL
        NULL,
        CRYPTO_MECH_INVALID
  #endif /* _KERNEL */
  },
  
      { CKSUMTYPE_RSA_MD5, 0,
        "md5", "RSA-MD5",
!       NULL, NULL, &krb5int_hash_md5, 0,
  #ifdef _KERNEL
        SUN_CKM_MD5,
        CRYPTO_MECH_INVALID
  #endif /* _KERNEL */
  },
      { CKSUMTYPE_RSA_MD5_DES, 0,
        "md5-des", "RSA-MD5 with DES cbc mode",
        ENCTYPE_DES_CBC_CRC, &krb5int_keyhash_md5des,
!       NULL, NULL,
  #ifdef _KERNEL
        SUN_CKM_MD5,
        CRYPTO_MECH_INVALID
  #endif /* _KERNEL */
  },
  
      { CKSUMTYPE_NIST_SHA, 0,
        "sha", "NIST-SHA",
!       NULL, NULL, &krb5int_hash_sha1, 0,
  #ifdef _KERNEL
        SUN_CKM_SHA1,
        CRYPTO_MECH_INVALID
  #endif /* _KERNEL */
  },
  
      { CKSUMTYPE_HMAC_SHA1_DES3, KRB5_CKSUMFLAG_DERIVE,
        "hmac-sha1-des3", "HMAC-SHA1 DES3 key",
!       NULL, NULL, &krb5int_hash_sha1, 0,
  #ifdef _KERNEL
        SUN_CKM_SHA1_HMAC,
        CRYPTO_MECH_INVALID
  #endif /* _KERNEL */
   },
      { CKSUMTYPE_HMAC_SHA1_DES3, KRB5_CKSUMFLAG_DERIVE,
        "hmac-sha1-des3-kd", "HMAC-SHA1 DES3 key", /* alias */
!       NULL, NULL, &krb5int_hash_sha1, 0,
  #ifdef _KERNEL
        SUN_CKM_SHA1_HMAC,
        CRYPTO_MECH_INVALID
  #endif /* _KERNEL */
  },
--- 36,100 ----
  #include "cksumtypes.h"
  
  const struct krb5_cksumtypes krb5_cksumtypes_list[] = {
      { CKSUMTYPE_CRC32, KRB5_CKSUMFLAG_NOT_COLL_PROOF,
        "crc32", "CRC-32",
!       0, NULL, &krb5int_hash_crc32, 0,
  #ifdef _KERNEL
        NULL,
        CRYPTO_MECH_INVALID
  #endif /* _KERNEL */
  },
  
      { CKSUMTYPE_DESCBC, 0,
        "des-cbc", "DES cbc mode",
        ENCTYPE_DES_CBC_CRC, &krb5int_keyhash_descbc,
!       NULL, 0,
  #ifdef _KERNEL
        NULL,
        CRYPTO_MECH_INVALID
  #endif /* _KERNEL */
  },
  
      { CKSUMTYPE_RSA_MD5, 0,
        "md5", "RSA-MD5",
!       0, NULL, &krb5int_hash_md5, 0,
  #ifdef _KERNEL
        SUN_CKM_MD5,
        CRYPTO_MECH_INVALID
  #endif /* _KERNEL */
  },
      { CKSUMTYPE_RSA_MD5_DES, 0,
        "md5-des", "RSA-MD5 with DES cbc mode",
        ENCTYPE_DES_CBC_CRC, &krb5int_keyhash_md5des,
!       NULL, 0,
  #ifdef _KERNEL
        SUN_CKM_MD5,
        CRYPTO_MECH_INVALID
  #endif /* _KERNEL */
  },
  
      { CKSUMTYPE_NIST_SHA, 0,
        "sha", "NIST-SHA",
!       0, NULL, &krb5int_hash_sha1, 0,
  #ifdef _KERNEL
        SUN_CKM_SHA1,
        CRYPTO_MECH_INVALID
  #endif /* _KERNEL */
  },
  
      { CKSUMTYPE_HMAC_SHA1_DES3, KRB5_CKSUMFLAG_DERIVE,
        "hmac-sha1-des3", "HMAC-SHA1 DES3 key",
!       0, NULL, &krb5int_hash_sha1, 0,
  #ifdef _KERNEL
        SUN_CKM_SHA1_HMAC,
        CRYPTO_MECH_INVALID
  #endif /* _KERNEL */
   },
      { CKSUMTYPE_HMAC_SHA1_DES3, KRB5_CKSUMFLAG_DERIVE,
        "hmac-sha1-des3-kd", "HMAC-SHA1 DES3 key", /* alias */
!       0, NULL, &krb5int_hash_sha1, 0,
  #ifdef _KERNEL
        SUN_CKM_SHA1_HMAC,
        CRYPTO_MECH_INVALID
  #endif /* _KERNEL */
  },
*** 126,136 ****
  #endif /* _KERNEL */
      },
  
      { CKSUMTYPE_HMAC_SHA1_96_AES128, KRB5_CKSUMFLAG_DERIVE,
        "hmac-sha1-96-aes128", "HMAC-SHA1 AES128 key",
!         NULL, NULL, &krb5int_hash_sha1, 12,
  #ifdef _KERNEL
        SUN_CKM_SHA1_HMAC,
        CRYPTO_MECH_INVALID
  #endif /* _KERNEL */
      },
--- 126,136 ----
  #endif /* _KERNEL */
      },
  
      { CKSUMTYPE_HMAC_SHA1_96_AES128, KRB5_CKSUMFLAG_DERIVE,
        "hmac-sha1-96-aes128", "HMAC-SHA1 AES128 key",
!        0, NULL, &krb5int_hash_sha1, 12,
  #ifdef _KERNEL
        SUN_CKM_SHA1_HMAC,
        CRYPTO_MECH_INVALID
  #endif /* _KERNEL */
      },