Create (TIdStruct)

Create (TIdicmp6_hdr)

Destroy (TIdicmp6_hdr)

pt 

GetBytesLen (TIdStruct)

pt 

GetBytesLen (TIdicmp6_hdr)

ReadStruct (TIdStruct)

ReadStruct (TIdicmp6_hdr)

WriteStruct (TIdStruct)

WriteStruct (TIdicmp6_hdr)