Function tpm_build_command 

pub fn tpm_build_command<C>(
    command: &C,
    tag: TpmSt,
    sessions: &[TpmsAuthCommand],
    writer: &mut TpmWriter<'_>,
) -> TpmResult<()>
where
    C: TpmHeader + TpmBodyBuild,

Builds a TPM command into a writer and returns the total bytes written.

Errors

Returns Err(TpmError) on a build failure.