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      1 /*
      2  * Copyright 1987, 1988 by MIT Student Information Processing Board
      3  *
      4  * Permission to use, copy, modify, and distribute this software and
      5  * its documentation for any purpose is hereby granted, provided that
      6  * the names of M.I.T. and the M.I.T. S.I.P.B. not be used in
      7  * advertising or publicity pertaining to distribution of the software
      8  * without specific, written prior permission.  M.I.T. and the
      9  * M.I.T. S.I.P.B. make no representations about the suitability of
     10  * this software for any purpose.  It is provided "as is" without
     11  * express or implied warranty.
     12  *
     13  * This quote is just too good to not pass on:
     14  *
     15  * 	"BTW, I would have rejected the name Story Server because its
     16  * 	initials are SS, the name of the secret police in Nazi
     17  * 	Germany, probably the most despised pair of letters in western
     18  * 	culture."  --- http://scriptingnewsarchive.userland.com/1999/12/13
     19  *
     20  * Let no one say political correctness isn't dead....
     21  */
     22 
     23 #ifndef _ss_h
     24 #define _ss_h __FILE__
     25 
     26 #include <ss/ss_err.h>
     27 
     28 #define __SS_CONST const
     29 #define __SS_PROTO (int, const char * const *, int, void *)
     30 
     31 #ifdef __GNUC__
     32 #define __SS_ATTR(x) __attribute__(x)
     33 #else
     34 #define __SS_ATTR(x)
     35 #endif
     36 
     37 
     38 typedef __SS_CONST struct _ss_request_entry {
     39     __SS_CONST char * __SS_CONST *command_names; /* whatever */
     40     void (* __SS_CONST function) __SS_PROTO; /* foo */
     41     __SS_CONST char * __SS_CONST info_string;	/* NULL */
     42     int flags;			/* 0 */
     43 } ss_request_entry;
     44 
     45 typedef __SS_CONST struct _ss_request_table {
     46     int version;
     47     ss_request_entry *requests;
     48 } ss_request_table;
     49 
     50 #define SS_RQT_TBL_V2	2
     51 
     52 typedef struct _ss_rp_options {	/* DEFAULT VALUES */
     53     int version;		/* SS_RP_V1 */
     54     void (*unknown) __SS_PROTO;	/* call for unknown command */
     55     int allow_suspend;
     56     int catch_int;
     57 } ss_rp_options;
     58 
     59 #define SS_RP_V1 1
     60 
     61 #define SS_OPT_DONT_LIST	0x0001
     62 #define SS_OPT_DONT_SUMMARIZE	0x0002
     63 
     64 void ss_help __SS_PROTO;
     65 #if 0
     66 char *ss_current_request();	/* This is actually a macro */
     67 #endif
     68 
     69 char *ss_name(int sci_idx);
     70 void ss_error (int, long, char const *, ...)
     71 	__SS_ATTR((format(printf, 3, 4)));
     72 void ss_perror (int, long, char const *);
     73 
     74 int ss_create_invocation(const char *, const char *, void *,
     75 			 ss_request_table *, int *);
     76 void ss_delete_invocation(int);
     77 int ss_listen(int);
     78 int ss_execute_line(int, char *);
     79 void ss_add_request_table(int, ss_request_table *, int, int *);
     80 void ss_delete_request_table(int, ss_request_table *, int *);
     81 void ss_abort_subsystem(int sci_idx, int code);
     82 void ss_quit(int argc, const char * const *argv, int sci_idx, void *infop);
     83 void ss_self_identify(int argc, const char * const *argv, int sci_idx, void *infop);
     84 void ss_subsystem_name(int argc, const char * const *argv,
     85 		       int sci_idx, void *infop);
     86 void ss_subsystem_version(int argc, const char * const *argv,
     87 			  int sci_idx, void *infop);
     88 void ss_unimplemented(int argc, const char * const *argv,
     89 		      int sci_idx, void *infop);
     90 void ss_set_prompt(int sci_idx, char *new_prompt);
     91 char *ss_get_prompt(int sci_idx);
     92 void ss_get_readline(int sci_idx);
     93 char *ss_safe_getenv(const char *arg);
     94 
     95 extern ss_request_table ss_std_requests;
     96 #endif /* _ss_h */
     97