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Annotation of 43BSDReno/contrib/mh/h/dropsbr.h, revision 1.1.1.1

1.1       root        1: /* dropsbr.h - definitions for maildrop-style files */
                      2: 
                      3: 
                      4: /* A file which is formatted like a maildrop may have a corresponding map
                      5:    file which is an index to the bounds of each message.  The first record
                      6:    of such an map is special, it contains:
                      7: 
                      8:        d_id    = number of messages in file
                      9:        d_size  = version number of map
                     10:        d_start = magic cookie
                     11:        d_stop  = size of file
                     12: 
                     13:     Each record after that contains:
                     14:        d_id    = BBoard-ID: of message, or similar info
                     15:        d_size  = size of message in ARPA Internet octets (\n == 2 octets)
                     16:        d_start = starting position of message in file
                     17:        d_stop  = stopping position of message in file
                     18: 
                     19:    Note that d_st{art,op} do NOT include the message delimiters, so
                     20:    programs using the map can simply fseek to d_start and keep reading
                     21:    until the position is at d_stop.
                     22:  */
                     23: 
                     24: #define        DRVRSN  2
                     25: #define        DRMAGIC (0xff00 | DRVRSN)
                     26: 
                     27: struct drop {
                     28:     int     d_id;
                     29:     int            d_size;
                     30:     long    d_start;
                     31:     long    d_stop;
                     32: };
                     33: 
                     34: 
                     35: int    map_chk (), map_read (), map_write ();
                     36: char   *map_name ();
                     37: 
                     38: int    mbx_mmdf (), mbx_uucp ();
                     39: int    mbx_open (), mbx_Xopen (), mbx_copy (), mbx_size (), mbx_close ();
                     40: int    mbx_read (), mbx_write ();

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