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/*
I C M . H
Generic definitions of the target operating systems.
*/
/*************************************************************************
define _PROTOTYPES unconditionally
define MAXCMDLEN: the max command line length
VOIDP, MARG, ARG macros: now superfluous, but kept for economy reasons
(it's better to be lazy than tired)
Undefine any unwanted _NO_PROTOTYPES or _NOPROTOTYPES
*/
#define _PROTOTYPES
#ifdef MSDOS
# define MAXCMDLEN 100
#else
# define MAXCMDLEN 500
#endif
#define ARG(x) x
#define MARG , ...
#define VOIDP void*
#ifdef _NO_PROTOTYPES
# undef _NO_PROTOTYPES
#endif
#ifdef _NOPROTOTYPES
# undef _NOPROTOTYPES
#endif
/*************************************************************************
P_CHECK value for implied function argument of system, chdir, etc
P_NOCHECK when not checking
P_CHECKMODE(int mode) is true when mode indicates checking
*/
#ifndef P_CHECK
# define P_CHECK 0
#endif
#ifndef P_NOCHECK
# define P_NOCHECK 2
#endif
#ifndef P_CHECKMODE
# define P_CHECKMODE(x) (! ((x) & P_NOCHECK) )
#endif
/*************************************************************************
directory objects
*/
#define O_FILE 1
#define O_DIR 2
#define O_SUBDIR 4
#define O_ALL 8
/*************************************************************************
IS_ attributes
*/
#define IS_IFDIR 1
#define IS_IFCHR 2
#define IS_IFREG 4
#define IS_IREAD 8
#define IS_IWRITE 16
#define IS_IEXEC 32
/*************************************************************************
file attributes
*/
#ifndef A_NORMAL
# define A_NORMAL 0x00
#endif
#ifndef A_RDONLY
# define A_RDONLY 0x01
#endif
#ifndef A_HIDDEN
# define A_HIDDEN 0x02
#endif
#ifndef A_SYSTEM
# define A_SYSTEM 0x04
#endif
#ifndef A_VOLID
# define A_VOLID 0x08
#endif
#ifndef A_SUBDIR
# define A_SUBDIR 0x10
#endif
#ifndef A_ARCH
# define A_ARCH 0x20
#endif
/**************************************************************************
MSDOS/UNIX specific macros
*/
#ifndef P_WAIT
#define P_WAIT 0
#endif
#ifdef MSDOS
# define DIRSEP '\\'
# define DRIVESEP ':'
# define INT32 signed long
# define UNS32 unsigned long
# define READBINARY "rb"
# define WRITEBINARY "wb"
#else
# define near
# define _MAX_PATH 260
# define _MAX_DRIVE 2
# define _MAX_DIR _MAX_PATH
# define _MAX_FNAME _MAX_PATH
# define _MAX_EXT _MAX_PATH
# define DIRSEP '/'
# define DRIVESEP 0
# define INT32 signed int
# define UNS32 unsigned int
# define READBINARY "r"
# define WRITEBINARY "w"
# define _execvp execvp
#endif
#define INT8 signed char
#define INT16 signed short
#define UNS16 unsigned short
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