-void add_profile_entry (const char *, const char *);
-void ambigsw (const char *, const struct swit *) NONNULL(1, 2);
-int atooi(char *) NONNULL(1) PURE;
-char **brkstring (char *, char *, char *) NONNULL(1);
-
-/*
- * Check to see if we can display a given character set natively.
- * Arguments include:
- *
- * str - Name of character set to check against
- * len - Length of "str"
- *
- * Returns 1 if the specified character set can be displayed natively,
- * 0 otherwise.
- */
-
-int check_charset (char *, int);
-int client(char *, char *, char *, int, int);
-void closefds(int);
-char *concat (const char *, ...) ENDNULL;
-int context_del (char *);
-char *context_find (const char *) PURE;
-char *context_find_by_type (const char *, const char *, const char *);
-int context_find_prefix(const char *) PURE;
-int context_foil (char *);
-void context_read (void);
-void context_replace (char *, char *);
-void context_save (void);
-char **copyip (char **, char **, int);
-void cpydata (int, int, const char *, const char *);
-void cpydgst (int, int, char *, char *);
-char *cpytrim (const char *);
-char *rtrim (char *);
-int decode_rfc2047 (char *, char *, size_t);
-void discard (FILE *);
-
-/*
- * Decode two characters into their quoted-printable representation.
- *
- * Arguments are:
- *
- * byte1 - First character of Q-P representation
- * byte2 - Second character of Q-P representation
- *
- * Returns the decoded value, -1 if the conversion failed.
- */
-int decode_qp(unsigned char byte1, unsigned char byte2) CONST;
-
-/*
- * Encode a message header using RFC 2047 encoding. If the message contains
- * no non-ASCII characters, then leave the header as-is.
- *
- * Arguments include:
- *
- * name - Message header name
- * value - Message header content; must point to allocated memory
- * (may be changed if encoding is necessary)
- * encoding - Encoding type. May be one of CE_UNKNOWN (function chooses
- * the encoding), CE_BASE64 or CE_QUOTED
- * charset - Charset used for encoding. If NULL, obtain from system
- * locale.
- *
- * Returns 0 on success, any other value on failure.
- */
-
-int encode_rfc2047(const char *name, char **value, int encoding,
- const char *charset);
-
-void escape_display_name (char *, size_t);
-void escape_local_part (char *, size_t);
-int ext_hook(char *, char *, char *);
-int fdcompare (int, int);
-int folder_addmsg (struct msgs **, char *, int, int, int, int, char *);
-int folder_delmsgs (struct msgs *, int, int);
-void folder_free (struct msgs *);
-int folder_pack (struct msgs **, int);
-
-/*
- * Read a MH folder structure and return an allocated "struct msgs"
- * corresponding to the contents of the folder.
- *
- * Arguments include:
- *
- * name - Name of folder
- * lockflag - If true, write-lock (and keep open) metadata files.
- * See comments for seq_read() for more information.
- */
-struct msgs *folder_read (char *name, int lockflag);
-
-struct msgs *folder_realloc (struct msgs *, int, int);
-
-/*
- * Print null-terminated PROMPT to and flush standard output. Read answers from
- * standard input until one matches an entry in SWITCHES. When one matches,
- * return its swret field. Return 0 on EOF.
- */
-int read_switch(const char *PROMPT, const struct swit *SWITCHES);
-
-/*
- * If standard input is not a tty, return 1 without printing anything. Else,
- * print null-terminated PROMPT to and flush standard output. Read answers from
- * standard input until one is "yes" or "no", returning 1 for "yes" and 0 for
- * "no". Also return 0 on EOF.
- */
-int read_yes_or_no_if_tty(const char *PROMPT);
-
-/*
- * Print null-terminated PROMPT to and flush standard output. Read multi-word
- * answers from standard input until a first word matches an entry in SWITCHES.
- * When one matches, return a pointer to an array of pointers to the words.
- * Return NULL on EOF, interrupt, or other error.
- */
-char **read_switch_multiword(const char *PROMPT, const struct swit *SWITCHES);
-
-/*
- * Same as read_switch_multiword but using readline(3) for input.
- */
-#ifdef READLINE_SUPPORT
-char **read_switch_multiword_via_readline (char *, struct swit *);
-#endif /* READLINE_SUPPORT */
-
-char **getarguments (char *, int, char **, int);
-
-/*
- * Returns the MIME character set indicated by the current locale setting.
- * Should be used by routines that want to convert to/from the local
- * character set, or if you want to check to see if you can display content
- * in the local character set.
- */
-char *get_charset(void);
-
-/* Return malloc'd copy of str, or of "" if NULL, exit on failure. */
-char *getcpy(const char *str);
-
-char *get_default_editor(void);
-char *getfolder(int) PURE;
-
-int m_atoi (char *) PURE;
-char *m_backup (const char *);
-int m_convert (struct msgs *, char *);
-char *m_draft (char *, char *, int, int *);
-
-m_getfld_state_t m_getfld_state_init(FILE *iob);
-void m_getfld_state_reset (m_getfld_state_t *);
-void m_getfld_state_destroy (m_getfld_state_t *);
-void m_getfld_track_filepos (m_getfld_state_t *, FILE *);
-void m_getfld_track_filepos2(m_getfld_state_t *);
-int m_getfld (m_getfld_state_t *, char[NAMESZ], char *, int *, FILE *);
-int m_getfld2(m_getfld_state_t *, char[NAMESZ], char *, int *);
-int m_gmprot (void) PURE;
-char *m_name (int);
-
-void m_unknown(m_getfld_state_t *, FILE *);
-void m_unknown2(m_getfld_state_t *);
-
-char *nmh_getpass(const char *);