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/* File: "os_shell.h", Time-stamp: <2007-12-19 11:17:57 feeley> */
/* Copyright (c) 1994-2007 by Marc Feeley, All Rights Reserved. */
#ifndef ___OS_SHELL_H
#define ___OS_SHELL_H
#include "os.h"
/*---------------------------------------------------------------------------*/
typedef struct ___shell_module_struct
{
___BOOL setup;
#ifdef USE_environ
int environ_unused_at_end;
___BOOL environ_was_extended;
#define ___SHELL_MODULE_INIT , 0, 0
#endif
} ___shell_module;
extern ___shell_module ___shell_mod;
/*---------------------------------------------------------------------------*/
/* Access to shell environment variables. */
#ifdef USE_POSIX
#define ENV_CHAR_BYTES 1
#endif
#ifdef USE_WIN32
#ifdef _UNICODE
#define ___GETENV_CE_SELECT(latin1,utf8,ucs2,ucs4,wchar,native) ucs2
#define ___SETENV_CE_SELECT(latin1,utf8,ucs2,ucs4,wchar,native) ucs2
#define ___ENVIRON_CE_SELECT(latin1,utf8,ucs2,ucs4,wchar,native) ucs2
#define ENV_CHAR_BYTES 2
#else
#define ___GETENV_CE_SELECT(latin1,utf8,ucs2,ucs4,wchar,native) native
#define ___SETENV_CE_SELECT(latin1,utf8,ucs2,ucs4,wchar,native) native
#define ___ENVIRON_CE_SELECT(latin1,utf8,ucs2,ucs4,wchar,native) native
#define ENV_CHAR_BYTES 1
#endif
#endif
/********************************** obsolete.... use ___getenv_UCS_2 */
char *___getenv
___P((char *name),
());
extern ___SCMOBJ ___getenv_UCS_2
___P((___UCS_2STRING name,
___UCS_2STRING *value),
());
extern ___SCMOBJ ___setenv_UCS_2
___P((___UCS_2STRING name,
___UCS_2STRING value),
());
extern ___SCMOBJ ___unsetenv_UCS_2
___P((___UCS_2STRING name),
());
extern ___SCMOBJ ___os_getenv
___P((___SCMOBJ name),
());
extern ___SCMOBJ ___os_setenv
___P((___SCMOBJ name,
___SCMOBJ value),
());
extern ___SCMOBJ ___os_environ ___PVOID;
/*---------------------------------------------------------------------------*/
/* Shell command. */
/* Max length of a shell command, not including null. */
#define ___CMD_MAX_LENGTH 1024
extern ___SCMOBJ ___os_shell_command
___P((___SCMOBJ cmd,
___SCMOBJ dir),
());
/*---------------------------------------------------------------------------*/
/* Shell module initialization/finalization. */
extern ___SCMOBJ ___setup_shell_module ___PVOID;
extern void ___cleanup_shell_module ___PVOID;
/*---------------------------------------------------------------------------*/
#endif
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