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@(#)types.5 8.1 (Berkeley) 6/5/93
.Dd May 15, 2008 .Dt TYPES 5 .Os Darwin .Sh NAME .Nm types .Nd system data types .Sh SYNOPSIS .Fd #include <sys/types.h> .Sh DESCRIPTION The file
a sys/types.h contains the defined data types used in the kernel (most are used through out the system). d -literal #ifndef _TYPES_H_ #define _TYPES_H_ typedef short dev_t; #ifndef _POSIX_SOURCE /* major part of a device */ #define major(x) ((int)(((unsigned)(x)>>8)&0377)) /* minor part of a device */ #define minor(x) ((int)((x)&0377)) /* make a device number */ #define makedev(x,y) ((dev_t)(((x)<<8) | (y))) #endif typedef unsigned char u_char; typedef unsigned short u_short; typedef unsigned int u_int; typedef unsigned long u_long; typedef unsigned short ushort; /* Sys V compatibility */ #if !defined(_ANSI_SOURCE) && !defined(_POSIX_C_SOURCE) #include <machine/types.h> #endif #ifdef _CLOCK_T_ typedef _CLOCK_T_ clock_t; #undef _CLOCK_T_ #endif #ifdef _SIZE_T_ typedef _SIZE_T_ size_t; #undef _SIZE_T_ #endif #ifdef _TIME_T_ typedef _TIME_T_ time_t; #undef _TIME_T_ #endif typedef u_int64_t u_quad_t; typedef int64_t quad_t typedef quad_t * qaddr_t; /* should be typedef quad * qaddr_t; */ typedef long daddr_t; typedef char * caddr_t; #ifdef _DARWIN_FEATURE_64_BIT_INODE typedef u_int64_t ino_t; #else /* !_DARWIN_FEATURE_64_BIT_INODE */ typedef u_int ino_t; #endif /* _DARWIN_FEATURE_64_BIT_INODE */ typedef long swblk_t; typedef long segsz_t; typedef int64_t off_t; typedef u_int uid_t; typedef u_int gid_t; typedef int pid_t; typedef u_short nlink_t; typedef u_short mode_t; typedef u_long fixpt_t; #ifndef _POSIX_SOURCE #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 1024 #endif typedef long fd_mask; #define NFDBITS (sizeof(fd_mask) * NBBY) /* bits per mask */ #ifndef howmany #define howmany(x, y) (((x)+((y)-1))/(y)) #endif typedef struct fd_set { fd_mask fds_bits[howmany(FD_SETSIZE, NFDBITS)]; } fd_set; #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_COPY(f, t) bcopy(f, t, sizeof(*(f))) #define FD_ZERO(p) bzero((char *)(p), sizeof(*(p))) #endif /* !_POSIX_SOURCE */ #endif /* !_TYPES_H_ */ .Ed .Sh SEE ALSO .Xr adb 1 , .Xr lseek 2 , .Xr time 3 , .Xr fs 5 .Sh HISTORY A .Nm file appeared in .At v7 .