#ifndef _LINUX_TYPES_H#define _LINUX_TYPES_H#ifndef _SIZE_T#define _SIZE_Ttypedef unsigned int size_t;#endif#ifndef _SSIZE_T#define _SSIZE_Ttypedef int ssize_t;#endif#ifndef _TIME_T#define _TIME_Ttypedef long time_t;#endif#ifndef _CLOCK_T#define _CLOCK_Ttypedef long clock_t;#endif#ifndef _PTRDIFF_T#define _PTRDIFF_Ttypedef int ptrdiff_t;#endif#ifndef NULL#define NULL ((void *) 0)#endiftypedef int pid_t;typedef unsigned short uid_t;typedef unsigned short gid_t;typedef unsigned short dev_t;#ifdef OLD_LINUXtypedef unsigned short ino_t;#elsetypedef unsigned long ino_t;#endiftypedef unsigned short mode_t;typedef unsigned short umode_t;typedef unsigned short nlink_t;typedef int daddr_t;typedef long off_t;/* bsd */typedef unsigned char u_char;typedef unsigned short u_short;typedef unsigned int u_int;typedef unsigned long u_long;/* sysv */typedef unsigned char unchar;typedef unsigned short ushort;typedef unsigned int uint;typedef unsigned long ulong;typedef char *caddr_t;typedef unsigned char cc_t;typedef unsigned int speed_t;typedef unsigned long tcflag_t;/* * This allows for 256 file descriptors: if NR_OPEN is ever grown beyond that * you'll have to change this too. But 256 fd's seem to be enough even for such * "real" unices like SunOS, so hopefully this is one limit that doesn't have * to be changed. * * Note that POSIX wants the FD_CLEAR(fd,fdsetp) defines to be in <sys/time.h> * (and thus <linux/time.h>) - but this is a more logical place for them. Solved * by having dummy defines in <sys/time.h>. *//* * Those macros may have been defined in <gnu/types.h>. But we always * use the ones here.  */#undef __FDSET_LONGS#define __FDSET_LONGS 8typedef struct fd_set {	unsigned long fds_bits [__FDSET_LONGS];} fd_set;#undef __NFDBITS#define __NFDBITS	(8 * sizeof(unsigned long))#undef __FD_SETSIZE#define __FD_SETSIZE	(__FDSET_LONGS*__NFDBITS)#undef	__FD_SET#define __FD_SET(fd,fdsetp) \		__asm__ __volatile__("btsl %1,%0": \			"=m" (*(fd_set *) (fdsetp)):"r" ((int) (fd)))#undef	__FD_CLR#define __FD_CLR(fd,fdsetp) \		__asm__ __volatile__("btrl %1,%0": \			"=m" (*(fd_set *) (fdsetp)):"r" ((int) (fd)))#undef	__FD_ISSET#define __FD_ISSET(fd,fdsetp) (__extension__ ({ \		unsigned char __result; \		__asm__ __volatile__("btl %1,%2 ; setb %0" \			:"=q" (__result) :"r" ((int) (fd)), \			"m" (*(fd_set *) (fdsetp))); \		__result; }))#undef	__FD_ZERO#define __FD_ZERO(fdsetp) \		__asm__ __volatile__("cld ; rep ; stosl" \			:"=m" (*(fd_set *) (fdsetp)) \			:"a" (0), "c" (__FDSET_LONGS), \			"D" ((fd_set *) (fdsetp)) :"cx","di")struct ustat {	daddr_t f_tfree;	ino_t f_tinode;	char f_fname[6];	char f_fpack[6];};#endif