char *CtdlReadMessageBody(char *terminator, long tlen, size_t maxlen, StrBuf *exist, int crlf);
StrBuf *CtdlReadMessageBodyBuf(
char *terminator, // token signalling EOT
char *CtdlReadMessageBody(char *terminator, long tlen, size_t maxlen, StrBuf *exist, int crlf);
StrBuf *CtdlReadMessageBodyBuf(
char *terminator, // token signalling EOT