struct msgs_array;
+void add_profile_entry (const char *, const char *);
void adios (char *, char *, ...) NORETURN;
void admonish (char *, char *, ...);
void advertise (char *, char *, char *, va_list);
int decode_rfc2047 (char *, char *, size_t);
void discard (FILE *);
int default_done (int);
+
+/*
+ * 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 folder_delmsgs (struct msgs *, int, int);
void folder_free (struct msgs *);
int folder_pack (struct msgs **, int);
-struct msgs *folder_read (char *);
+
+/*
+ * 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);
int gans (char *, struct swit *);
char **getans (char *, struct swit *);
int getanswer (char *);
char **getarguments (char *, int, char **, int);
char *get_charset(void);
-char *getcpy (char *);
+char *getcpy (const char *);
char *get_default_editor(void);
char *getfolder(int);
/*
char *r1bindex(char *, int);
void readconfig (struct node **, FILE *, char *, int);
int refile (char **, char *);
-void ruserpass(char *, char **, char **);
+void ruserpass (char *, char **, char **);
int remdir (char *);
void scan_detect_mbox_style (FILE *);
void scan_finished ();
int seq_nameok (char *);
void seq_print (struct msgs *, char *);
void seq_printall (struct msgs *);
-void seq_read (struct msgs *);
+
+/*
+ * Read the sequence files for the folder referenced in the given
+ * struct msgs and populate the sequence entries in the struct msgs.
+ *
+ * Arguments:
+ *
+ * mp - Folder structure to add sequence entries to
+ * lockflag - If true, obtain a write lock on the sequence file.
+ * Additionally, the sequence file will remain open
+ * and a pointer to the filehandle will be stored in
+ * folder structure, where it will later be used by
+ * seq_save().
+ */
+void seq_read (struct msgs * mp, int lockflag);
void seq_save (struct msgs *);
void seq_setcur (struct msgs *, int);
void seq_setprev (struct msgs *);
int vfgets (FILE *, char **);
char *write_charset_8bit (void);
-int mh_strcasecmp (const char *s1, const char *s2);
-int strncasecmp (const char *s1, const char *s2, size_t n);
-
/*
* some prototypes for address parsing system
int WhatNow(int, char **);
int writeBase64aux(FILE *, FILE *);
int writeBase64 (unsigned char *, size_t, unsigned char *);
+int writeBase64raw (unsigned char *, size_t, unsigned char *);
+
+/*
+ * credentials management
+ */
+void init_credentials_file ();
+int nmh_get_credentials (char *, char *, int, nmh_creds_t);