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vms_unix_types.h
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C/C++ Source or Header
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1997-12-31
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136 lines
/* @(#)types.h 2.22 88/01/13 SMI; from UCB 7.1 6/4/86 */
/*
* Copyright (c) 1982, 1986 Regents of the University of California.
* All rights reserved. The Berkeley software License Agreement
* specifies the terms and conditions for redistribution.
*/
#ifndef _UNIX_TYPES_
#define _UNIX_TYPES_
/*
* Basic system types.
*/
/*
This is not relevant on VMS:
#include <sys/sysmacros.h>
*/
#ifndef __SOCKET_TYPEDEFS
typedef unsigned char u_char;
typedef unsigned short u_short;
typedef unsigned long u_long;
#define __SOCKET_TYPEDEFS 1
#endif
#ifndef __DECCXX
typedef unsigned int u_int;
typedef unsigned short ushort; /* System V compatibility */
typedef unsigned int uint; /* System V compatibility */
#else
#if __DECCXX_VER < 50200000
typedef unsigned int u_int;
typedef unsigned short ushort; /* System V compatibility */
typedef unsigned int uint; /* System V compatibility */
#else
#define _FD_MASK_
#endif /* __DECCXX_VER */
#endif /* __DECCXX */
typedef struct _physadr { int r[1]; } *physadr;
typedef struct label_t {
int val[14];
} label_t;
typedef struct _quad { long val[2]; } quad;
typedef long daddr_t;
/* This appears elsewhere, e.g., in X Windows include files */
#if !defined(CADDR_T) && !defined(__CADDR_T)
typedef char *caddr_t;
#define CADDR_T
#define __CADDR_T
#endif
#ifndef __STAT
#include <stat.h>
#endif /* __STAT */
typedef long swblk_t;
/* For VMS we need to avoid a couple of multiple definitions */
#if !defined (__TYPES) && !defined (__TIME_T) && !defined (__TYPES_LOADED)
/* TYPES.H */
/* TYPES - RTL Typedef Definitions */
typedef long int time_t;
#define __TIME_T
#endif
#ifndef __STDDEF
/* STDDEF.H */
#if defined(vax11c) || defined(__DECCXX)
#include <stddef.h>
#else
#define __STDDEF
typedef int ptrdiff_t;
typedef int size_t;
#define NULL (void *) 0
#define offsetof( type, identifier) \
((size_t)(&((type*) NULL)->identifier))
extern volatile int noshare errno; /* UNIX style error code */
#endif /* vax11c */
#endif
#ifndef __DEV_T /* This started to appear with DECC 5.0 */
typedef u_short uid_t;
typedef u_short gid_t;
typedef long key_t;
#endif
#define NBBY 8 /* number of bits in a byte */
/*
* Select uses bit masks of file descriptors in longs.
* These macros manipulate such bit fields (the filesystem macros use chars).
* FD_SETSIZE may be defined by the user, but the default here
* should be >= NOFILE (param.h).
*/
#ifndef FD_SETSIZE
#define FD_SETSIZE 256
#endif
#ifndef _FD_MASK_
#define _FD_MASK_
typedef long fd_mask;
#endif /*_FD_MASK_*/
#define NFDBITS (sizeof(fd_mask) * NBBY) /* bits per mask */
#ifndef howmany
#define howmany(x, y) (((x)+((y)-1))/(y))
#endif
#ifndef __FD_SET
typedef struct fd_set {
fd_mask fds_bits[howmany(FD_SETSIZE, NFDBITS)];
} fd_set;
#endif
typedef char * addr_t;
#define FD_SET(n, p) ((p)->fds_bits[(n)/NFDBITS] |= (1 << ((n) % NFDBITS)))
#define FD_CLR(n, p) ((p)->fds_bits[(n)/NFDBITS] &= ~(1 << ((n) % NFDBITS)))
#define FD_ISSET(n, p) ((p)->fds_bits[(n)/NFDBITS] & (1 << ((n) % NFDBITS)))
#define FD_ZERO(p) bzero((char *)(p), sizeof(*(p)))
#if !defined(F_OK) || !defined(X_OK) || !defined(W_OK) || !defined(R_OK)
#define F_OK 0
#define X_OK 1
#define W_OK 2
#define R_OK 4
#endif
#define MAXPATHLEN 256
#endif /*_UNIX_TYPES_*/