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38 * @(#)types.h 8.4 (Berkeley) 1/21/94
39 * $Id: types.h,v 1.1 2001-07-23 05:20:01 bdale Exp $
45 #include <sys/cdefs.h>
47 /* Machine type dependent parameters. */
48 #include <machine/endian.h>
51 typedef unsigned char u_char;
52 typedef unsigned short u_short;
53 typedef unsigned int u_int;
54 typedef unsigned long u_long;
55 typedef unsigned short ushort; /* Sys V compatibility */
56 typedef unsigned int uint; /* Sys V compatibility */
59 typedef unsigned long long u_quad_t; /* quads */
60 typedef long long quad_t;
61 typedef quad_t * qaddr_t;
63 typedef char * caddr_t; /* core address */
64 typedef long daddr_t; /* disk address */
65 typedef unsigned long dev_t; /* device number */
66 typedef unsigned long fixpt_t; /* fixed point number */
67 typedef unsigned long gid_t; /* group id */
68 typedef unsigned long ino_t; /* inode number */
69 typedef unsigned short mode_t; /* permissions */
70 typedef unsigned short nlink_t; /* link count */
71 typedef quad_t off_t; /* file offset */
72 typedef long pid_t; /* process id */
73 typedef long segsz_t; /* segment size */
74 typedef long swblk_t; /* swap offset */
75 typedef unsigned long uid_t; /* user id */
78 * This belongs in unistd.h, but is placed here to ensure that programs
79 * casting the second parameter of lseek to off_t will get the correct
84 off_t lseek __P((int, off_t, int));
90 * minor() gives a cookie instead of an index since we don't want to
91 * change the meanings of bits 0-15 or waste time and space shifting
92 * bits 16-31 for devices that don't use them.
94 #define major(x) ((int)(((u_int)(x) >> 8)&0xff)) /* major number */
95 #define minor(x) ((int)((x)&0xffff00ff)) /* minor number */
96 #define makedev(x,y) ((dev_t)(((x)<<8) | (y))) /* create dev_t */
99 #include <machine/ansi.h>
100 #include <machine/types.h>
103 typedef _BSD_CLOCK_T_ clock_t;
108 typedef _BSD_SIZE_T_ size_t;
113 typedef _BSD_SSIZE_T_ ssize_t;
118 typedef _BSD_TIME_T_ time_t;
122 #ifndef _POSIX_SOURCE
123 #define NBBY 8 /* number of bits in a byte */
126 * Select uses bit masks of file descriptors in longs. These macros
127 * manipulate such bit fields (the filesystem macros use chars).
128 * FD_SETSIZE may be defined by the user, but the default here should
129 * be enough for most uses.
132 #define FD_SETSIZE 256
135 typedef long fd_mask;
136 #define NFDBITS (sizeof(fd_mask) * NBBY) /* bits per mask */
139 #define howmany(x, y) (((x)+((y)-1))/(y))
142 typedef struct fd_set {
143 fd_mask fds_bits[howmany(FD_SETSIZE, NFDBITS)];
146 #define FD_SET(n, p) ((p)->fds_bits[(n)/NFDBITS] |= (1 << ((n) % NFDBITS)))
147 #define FD_CLR(n, p) ((p)->fds_bits[(n)/NFDBITS] &= ~(1 << ((n) % NFDBITS)))
148 #define FD_ISSET(n, p) ((p)->fds_bits[(n)/NFDBITS] & (1 << ((n) % NFDBITS)))
149 #define FD_COPY(f, t) bcopy(f, t, sizeof(*(f)))
150 #define FD_ZERO(p) bzero(p, sizeof(*(p)))
152 #if defined(__STDC__) && defined(KERNEL)
154 * Forward structure declarations for function prototypes. We include the
155 * common structures that cross subsystem boundaries here; others are mostly
156 * used in the same place that the structure is defined.
168 #endif /* !_POSIX_SOURCE */
169 #endif /* !_SYS_TYPES_H_ */