/*
 * Copyright 1987, 1988 by MIT Student Information Processing Board
 *
 * For copyright information, see copyright.h.
 */

#ifndef _ss_h
#define _ss_h __FILE__

#include <ss/copyright.h>
#include <ss/ss_err.h>

extern int errno;

#ifdef __STDC__
#define __SS_CONST const
#define __SS_PROTO (int, const char * const *, int, void *)
#else
#define __SS_CONST
#define __SS_PROTO ()
#endif

typedef __SS_CONST struct _ss_request_entry {
    __SS_CONST char * __SS_CONST *command_names; /* whatever */
    void (* __SS_CONST function) __SS_PROTO; /* foo */
    __SS_CONST char * __SS_CONST info_string;	/* NULL */
    int flags;			/* 0 */
} ss_request_entry;

typedef __SS_CONST struct _ss_request_table {
    int version;
    ss_request_entry *requests;
} ss_request_table;

#define SS_RQT_TBL_V2	2

typedef struct _ss_rp_options {	/* DEFAULT VALUES */
    int version;		/* SS_RP_V1 */
    void (*unknown) __SS_PROTO;	/* call for unknown command */
    int allow_suspend;
    int catch_int;
} ss_rp_options;

#define SS_RP_V1 1

#define SS_OPT_DONT_LIST	0x0001
#define SS_OPT_DONT_SUMMARIZE	0x0002

void ss_help __SS_PROTO;
#if 0
char *ss_current_request();	/* This is actually a macro */
#endif
#ifdef __STDC__
char *ss_name(int sci_idx);
void ss_error (int, long, char const *, ...);
void ss_perror (int, long, char const *);
int ss_create_invocation(const char *, const char *, void *,
			 ss_request_table *, int *);
void ss_delete_invocation(int);
int ss_listen(int);
int ss_execute_line(int, char *);
void ss_add_request_table(int, ss_request_table *, int, int *);
void ss_delete_request_table(int, ss_request_table *, int *);
void ss_abort_subsystem(int sci_idx, int code);
void ss_quit(int argc, const char * const *argv, int sci_idx, void *infop);
void ss_self_identify(int argc, const char * const *argv, int sci_idx, void *infop);
void ss_subsystem_name(int argc, const char * const *argv,
		       int sci_idx, void *infop);
void ss_subsystem_version(int argc, const char * const *argv,
			  int sci_idx, void *infop);
void ss_unimplemented(int argc, const char * const *argv,
		      int sci_idx, void *infop);
#else
char *ss_name();
void ss_error ();
void ss_perror ();
int ss_create_invocation();
void ss_delete_invocation();
int ss_listen();
int ss_execute_line();
void ss_add_request_table();
void ss_delete_request_table();
void ss_abort_subsystem();
void ss_quit();
void ss_self_identify();
void ss_subsystem_name();
void ss_subsystem_version();
void ss_unimplemented();
#endif
extern ss_request_table ss_std_requests;
#endif /* _ss_h */
