mu-address-get-personal
 -- Scheme procedure: mu-address-get-personal address num
     Return personal part of the NUMth email address from ADDRESS.

mu-address-get-comments
 -- Scheme procedure: mu-address-get-comments address num
     Return comment part of the NUMth email address from ADDRESS.

mu-address-get-email
 -- Scheme procedure: mu-address-get-email address num
     Return email part of the NUMth email address from ADDRESS.

mu-address-get-domain
 -- Scheme procedure: mu-address-get-domain address num
     Return domain part of the NUMth email address from ADDRESS.

mu-address-get-local
 -- Scheme procedure: mu-address-get-local address num
     Return local part of the NUMth email address from ADDRESS.

mu-address-get-count
 -- Scheme procedure: mu-address-get-count address
     Return number of parts in email address ADDRESS.

mu-username->email
 -- Scheme procedure: mu-username->email name
     Deduce user's email address from his username. If NAME is omitted, current username is assumed

mu-body-read-line
 -- Scheme procedure: mu-body-read-line body
     Read next line from the BODY.

mu-body-write
 -- Scheme procedure: mu-body-write body text
     Append TEXT to message BODY.

mu-mail-directory
 -- Scheme procedure: mu-mail-directory url
     Do not use this function. Use mu-user-mailbox-url instead.

mu-user-mailbox-url
 -- Scheme procedure: mu-user-mailbox-url user

mu-folder-directory
 -- Scheme procedure: mu-folder-directory url
     If URL is given, sets it as a name of the user's folder directory. Returns the current value of the folder directory.

mu-mailbox-open
 -- Scheme procedure: mu-mailbox-open url mode
     Opens the mailbox specified by URL. MODE is a string, consisting of the characters described below, giving the access mode for the mailbox

     MODE   Meaning
     r   Open for reading.
     w   Open for writing.
     a   Open for appending to the end of the mailbox.
     c   Create the mailbox if it does not exist.

mu-mailbox-close
 -- Scheme procedure: mu-mailbox-close mbox
     Closes mailbox MBOX.

mu-mailbox-get-url
 -- Scheme procedure: mu-mailbox-get-url mbox
     Returns url of the mailbox MBOX.

mu-mailbox-get-port
 -- Scheme procedure: mu-mailbox-get-port mbox mode
     Returns a port associated with the contents of the MBOX. MODE is a string defining operation mode of the stream. It may contain any of the two characters: r for reading, w for writing.

mu-mailbox-get-message
 -- Scheme procedure: mu-mailbox-get-message mbox msgno
     Retrieve from message #MSGNO from the mailbox MBOX.

mu-mailbox-messages-count
 -- Scheme procedure: mu-mailbox-messages-count mbox
     Returns number of messages in the mailbox MBOX.

mu-mailbox-expunge
 -- Scheme procedure: mu-mailbox-expunge mbox
     Expunges deleted messages from the mailbox MBOX.

mu-mailbox-append-message
 -- Scheme procedure: mu-mailbox-append-message mbox mesg
     Appends message MESG to the mailbox MBOX.

mu-message-create
 -- Scheme procedure: mu-message-create
     Creates an empty message.

mu-message-copy
 -- Scheme procedure: mu-message-copy mesg
     Creates the copy of the message MESG.

mu-message-destroy
 -- Scheme procedure: mu-message-destroy mesg
     Destroys the message MESG.

mu-message-set-header
 -- Scheme procedure: mu-message-set-header mesg header value replace
     Sets new VALUE to the header HEADER of the message MESG. If HEADER is already present in the message its value is replaced with the suplied one iff the optional REPLACE is #t. Otherwise, a new header is created and appended.

mu-message-get-size
 -- Scheme procedure: mu-message-get-size mesg
     Returns the size of the message MESG .

mu-message-get-lines
 -- Scheme procedure: mu-message-get-lines mesg
     Returns number of lines in the given message.

mu-message-get-sender
 -- Scheme procedure: mu-message-get-sender mesg
     Returns email address of the sender of the message MESG.

mu-message-get-header
 -- Scheme procedure: mu-message-get-header mesg header
     Returns value of the header HEADER from the message MESG.

mu-message-get-header-fields
 -- Scheme procedure: mu-message-get-header-fields mesg headers
     Returns the list of headers in the message MESG. Optional argument HEADERS gives a list of header names to restrict return value to.

mu-message-set-header-fields
 -- Scheme procedure: mu-message-set-header-fields mesg list replace
     Set the headers in the message MESG from LIST LIST is a list of conses (cons HEADER VALUE).  The function sets these headers in the message MESG. Optional parameter REPLACE specifies whether the new header values should replace the headers already present in the message.

mu-message-delete
 -- Scheme procedure: mu-message-delete mesg flag
     Mark the message MESG as deleted. Optional argument FLAG allows to toggle deletion mark. The message is deleted if it is #t and undeleted if it is #f

mu-message-get-flag
 -- Scheme procedure: mu-message-get-flag mesg flag
     Return value of the attribute FLAG of the message MESG.

mu-message-set-flag
 -- Scheme procedure: mu-message-set-flag mesg flag value
     Set the attribute FLAG of the message MESG. If optional VALUE is #f, the attribute is unset.

mu-message-get-user-flag
 -- Scheme procedure: mu-message-get-user-flag mesg flag
     Return the value of the user attribute FLAG from the message MESG.

mu-message-set-user-flag
 -- Scheme procedure: mu-message-set-user-flag mesg flag value
     Set the given user attribute FLAG in the message MESG. If optional argumen VALUE is #f, the attribute is unset.

mu-message-get-port
 -- Scheme procedure: mu-message-get-port mesg mode full
     Returns a port associated with the given MESG. MODE is a string defining operation mode of the stream. It may contain any of the two characters: r for reading, w for writing. If optional argument FULL is specified, it should be a boolean value. If it is #t then the returned port will allow access to any part of the message (including headers). If it is #f then the port accesses only the message body (the default).

mu-message-get-body
 -- Scheme procedure: mu-message-get-body mesg
     Returns the message body for the message MESG.

mu-message-multipart?
 -- Scheme procedure: mu-message-multipart? mesg
     Returns #t if MESG is a multipart MIME message.

mu-message-get-num-parts
 -- Scheme procedure: mu-message-get-num-parts mesg
     Returns number of parts in a multipart MIME message. Returns #f if the argument is not a multipart message.

mu-message-get-part
 -- Scheme procedure: mu-message-get-part mesg part
     Returns part #PART from a multipart MIME message MESG.

mu-message-send
 -- Scheme procedure: mu-message-send mesg mailer from to
     Sends the message MESG. Optional MAILER overrides default mailer settings in mu-mailer. Optional FROM and TO give sender and recever addresses.

mu-message-get-uid
 -- Scheme procedure: mu-message-get-uid mesg
     Returns uid of the message MESG

mu-mime-create
 -- Scheme procedure: mu-mime-create flags mesg
     Creates a new MIME object.  Both arguments are optional. FLAGS specifies the type of the object to create (0 is a reasonable value).  MESG gives the message to create the MIME object from.

mu-mime-multipart?
 -- Scheme procedure: mu-mime-multipart? mime
     Returns #t if MIME is a multipart object.

mu-mime-get-num-parts
 -- Scheme procedure: mu-mime-get-num-parts mime
     Returns number of parts in the MIME object MIME.

mu-mime-get-part
 -- Scheme procedure: mu-mime-get-part mime num
     Returns NUMth part from the MIME object MIME.

mu-mime-add-part
 -- Scheme procedure: mu-mime-add-part mime mesg
     Adds MESG to the MIME object MIME.

mu-mime-get-message
 -- Scheme procedure: mu-mime-get-message mime
     Converts MIME object MIME to a message.

mu-openlog
 -- Scheme procedure: mu-openlog ident option facility
     Opens a connection to the system logger for Guile program. IDENT, OPTION and FACILITY have the same meaning as in openlog(3)

mu-logger
 -- Scheme procedure: mu-logger prio text
     Distributes TEXT via syslogd priority PRIO.

mu-closelog
 -- Scheme procedure: mu-closelog
     Closes the channel to the system logger opened by mu-openlog.

mu-register-format
 -- Scheme procedure: mu-register-format rest
     Registers desired mailutils formats.  Any number of arguments can be given. Each argument must be one of the following strings:

     Argument   Meaning
     mbox    Regular UNIX mbox format
     mh      MH mailbox format
     maildir   Maildir mailbox format
     pop     POP mailbox format
     imap    IMAP mailbox format
     sendmail   sendmail mailer format
     smtp    SMTP mailer format

     If called without arguments, the function registers all available formats

mu-strerror
 -- Scheme procedure: mu-strerror err
     Return the error message corresponding to ERR, which must be an integer value.

mu-getpwuid
 -- Scheme procedure: mu-getpwuid user
     Look up an entry in the user database. USER can be an integer, or a string, giving the behaviour of mu_get_auth_by_uid or mu_get_auth_by_name respectively.

     Returns a vector with fields corresponding to those of the mu_auth_data entry in question. If no matching entry was found, returns #f.