diplodocus.org Git - nmh/blob - docs/historical/mh-6.8.5/h/mshsbr.h

   1 /* mshsbr.h - definitions for msh */
   2 /* @(#)$Id: mshsbr.h,v 1.8 1995/12/07 21:34:13 jromine Exp $ */
   3
   4 struct Cmd {
   5     char    line[BUFSIZ];
   6     char   *args[MAXARGS];
   7
   8     char   *redirect;
   9
  10     int     direction;
  11 #define STDIO   0               /* regular stdoutput */
  12 #define CRTIO   1               /* create  re-direct */
  13 #define APPIO   2               /* append  re-direct */
  14 #define PIPIO   3               /* pipe    re-direct */
  15
  16     FILE   *stream;
  17 };
  18 #define NULLCMD ((struct Cmd *) 0)
  19
  20
  21 struct Msg {
  22     struct drop m_drop;
  23 #define m_bboard_id     m_drop.d_id
  24 #define m_top           m_drop.d_size
  25 #define m_start         m_drop.d_start
  26 #define m_stop          m_drop.d_stop
  27
  28     char   *m_scanl;
  29
  30     struct tws  m_tb;
  31
  32     short   m_flags;
  33 #define MHNCHK  0x0001  /* did nontext check */
  34 #define MHNYES  0x0002  /*   .. and known to be non-text */
  35
  36     int     m_stats;    /* ought to be unsigned (also in mh.h) */
  37 #define CUR ((unsigned)1 << (FFATTRSLOT + NATTRS))
  38 #ifdef  BPOP
  39 #define VIRTUAL SELECT_EMPTY
  40 #endif /* BPOP */
  41 };
  42
  43 /* \f */
  44
  45                                 /* FOLDER */
  46 extern char  *fmsh;             /* folder instead of file */
  47 extern int    modified;         /* command modified folder */
  48 extern struct msgs *mp;         /* used a lot */
  49 extern struct Msg  *Msgs;       /* Msgs[0] not used */
  50
  51 FILE  *msh_ready ();
  52
  53
  54                                 /* COMMAND */
  55 extern int  interactive;        /* running from a /dev/tty */
  56 extern int  redirected;         /* re-directing output */
  57 extern  FILE  *sp;              /* original stdout */
  58
  59 extern char *cmd_name;          /* command being run */
  60
  61 extern char myfilter[];         /* path to mhl.forward */
  62
  63
  64
  65 extern char *BBoard_ID;         /* BBoard-ID constant */
  66
  67
  68                                 /* SIGNALS */
  69 extern TYPESIG  (*istat) ();    /* original SIGINT */
  70 extern TYPESIG  (*qstat) ();    /* original SIGQUIT */
  71 extern int  interrupted;        /* SIGINT detected */
  72 extern int  broken_pipe;        /* SIGPIPE detected */
  73 extern int  told_to_quit;       /* SIGQUIT detected */
  74
  75 #ifdef  BSD42
  76 extern int  should_intr;        /* signal handler should interrupt call */
  77 extern jmp_buf sigenv;          /* the environment pointer */
  78 #endif /* BSD42 */
  79
  80
  81 off_t    lseek ();