The `F' reply packet has the following format:
`F'RETCODE`,'ERRNO`,'CTRL-C FLAG`;'CALL SPECIFIC ATTACHMENT
RETCODE is the return code of the system call as hexadecimal value.
ERRNO is the errno set by the call, in protocol specific representation. This parameter can be omitted if the call was successful.
CTRL-C FLAG is only send if the user requested a break. In this case, ERRNO must be send as well, even if the call was successful. The CTRL-C FLAG itself consists of the character 'C':
or, if the call was interupted before the host call has been performed:
assuming 4 is the protocol specific representation of `EINTR'.Created Mon Nov 8 17:42:41 2004 on tillpc with info_to_html version 0.9.6.