types.h

来自「Ibmstb02500 miniboot 源码」· C头文件 代码 · 共 88 行

/* openbios/include/sys/types.h, redbios, redbios_iii_1.0 3/23/98 11:41:47 */
/*-----------------------------------------------------------------------------+
|
|       This source code has been made available to you by IBM on an AS-IS
|       basis.  Anyone receiving this source is licensed under IBM
|       copyrights to use it in any way he or she deems fit, including
|       copying it, modifying it, compiling it, and redistributing it either
|       with or without modifications.  No license under IBM patents or
|       patent applications is to be implied by the copyright license.
|
|       Any user of this software should understand that IBM cannot provide
|       technical support for this software and will not be responsible for
|       any consequences resulting from the use of this software.
|
|       Any person who transfers this source code or any derivative work
|       must include the IBM copyright notice, this paragraph, and the
|       preceding two paragraphs in the transferred software.
|
|       COPYRIGHT   I B M   CORPORATION 1995
|       LICENSED MATERIAL  -  PROGRAM PROPERTY OF I B M
+-----------------------------------------------------------------------------*/
/*-----------------------------------------------------------------------------+
|
|  File Name:   types.h
|
|  Function:    Header file for standard definitions
|
|  Author:      A. Booker
|
|  Change Activity-
|
|  Date        Description of Change                                       BY
|  ---------   ---------------------                                       ---
|  27-Aug-92   Created                                                     AJB
|
+-----------------------------------------------------------------------------*/

#ifndef _sys_types_h_
#define _sys_types_h_

#include <stddef.h>
#include <machine/machparm.h>

/*-----------------------------------------------------------------------------+
| Type definitions.
+-----------------------------------------------------------------------------*/
typedef int     pid_t;                  /* define process identifier          */

#ifndef _timer_t
#define _timer_t
typedef unsigned long timer_t;
#endif

#ifndef _time_t
#define _time_t
typedef unsigned long    time_t;
#endif


typedef int   dev_t;                    /* used for device driver numbers     */
typedef unsigned long gid_t;            /* used for group ids                 */
typedef unsigned long ino_t;            /* used for file serial numbers       */
typedef int   nlink_t;                  /* used for link counts               */
typedef unsigned long uid_t;            /* used for user IDs                  */
typedef unsigned long mode_t;           /* used for file attributes           */
typedef long  off_t;                    /* used for file sizes                */

/*-----------------------------------------------------------------------------+
| Popular BSD macros and functions prototypes.
+-----------------------------------------------------------------------------*/
#define   NBBY 8                        /* number of bits in a byte           */
#define   FD_ZERO(p)           memset((void *)(p), 0, (size_t)sizeof(*(p)))
#define   bzero(p, n)          memset((void *)(p), 0, (size_t)n)
#define   bcopy(p, d, n)       memcpy((void *)(d), (const void *)(p), (size_t)n)
#define   ovbcopy(p, d, n)     memmove((void *)(d), (const void *)(p), (size_t)n)
#define   bcmp(p, d, n)        memcmp((void *)(p), (void *)(d), (size_t)n)
#define   imin(a, b)           (((int)a < (int)b) ? (int)a : (int)b)
#define   index(p, ch)         strchr((const char *)p, (int)ch)
#define   rindex(p, ch)        strrchr((const char *)p, (int)ch)
#define   ctob(x)              ((x)<<PGSHIFT)
#define   MIN(a,b)             (((a)<(b))?(a):(b))
#define   min(a,b)             (((a)<(b))?(a):(b))
#define   MAX(a,b)             (((a)>(b))?(a):(b))
#define   max(a,b)             (((a)>(b))?(a):(b))
#define   isascii(c)           ((unsigned)(c) <= 0177)

#endif /* _sys_types_h_ */