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#include "sys.h"
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/* format of REMOTE FROM lines */
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extern char *REMFROMRE;
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extern int REMSENDERMATCH;
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extern int REMDATEMATCH;
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extern int REMSYSMATCH;
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/* format of mailbox FROM lines */
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#define IS_HEADER(p) ((p)[0]=='F'&&(p)[1]=='r'&&(p)[2]=='o'&&(p)[3]=='m'&&(p)[4]==' ')
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#define IS_TRAILER(p) ((p)[0]=='m'&&(p)[1]=='o'&&(p)[2]=='r'&&(p)[3]=='F'&&(p)[4]=='\n')
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extern char *FROMRE;
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extern int SENDERMATCH;
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extern int DATEMATCH;
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enum
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{
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Elemlen= 28,
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Errlen= ERRMAX,
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Pathlen= 256,
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};
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enum { Atnoteunknown, Atnoterecog };
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/*
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* routines in mail.c
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*/
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extern int print_header(Biobuf*, char*, char*);
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extern int print_remote_header(Biobuf*, char*, char*, char*);
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extern int parse_header(char*, String*, String*);
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/*
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* routines in aux.c
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*/
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extern String *abspath(char*, char*, String*);
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extern String *mboxpath(char*, char*, String*, int);
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extern char *basename(char*);
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extern int delivery_status(String*);
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extern void append_match(Resub*, String*, int);
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extern int shellchars(char*);
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extern String* escapespecial(String*);
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extern String* unescapespecial(String*);
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extern int returnable(char*);
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/* in copymessage */
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extern int appendfiletombox(int, int);
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extern int appendfiletofile(int, int);
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/* mailbox types */
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#define MF_NORMAL 0
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#define MF_PIPE 1
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#define MF_FORWARD 2
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#define MF_NOMBOX 3
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#define MF_NOTMBOX 4
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/* a pipe between parent and child*/
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typedef struct {
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Biobuf bb;
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Biobuf *fp; /* parent process end*/
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int fd; /* child process end*/
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} stream;
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/* a child process*/
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typedef struct process{
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stream *std[3]; /* standard fd's*/
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int pid; /* process identifier*/
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int status; /* exit status*/
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Waitmsg *waitmsg;
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} process;
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extern stream *instream(void);
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extern stream *outstream(void);
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extern void stream_free(stream*);
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extern process *noshell_proc_start(char**, stream*, stream*, stream*, int, char*);
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extern process *proc_start(char*, stream*, stream*, stream*, int, char*);
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extern int proc_wait(process*);
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extern int proc_free(process*);
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extern int proc_kill(process*);
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/* tell compiler we're using a value so it won't complain */
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#define USE(x) if(x)
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