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Diffstat (limited to 'static/unix-v10/man5/types.5')
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1 files changed, 42 insertions, 0 deletions
diff --git a/static/unix-v10/man5/types.5 b/static/unix-v10/man5/types.5 new file mode 100644 index 00000000..b6a5d02a --- /dev/null +++ b/static/unix-v10/man5/types.5 @@ -0,0 +1,42 @@ +.TH TYPES 5 +.CT 2 sa data_man +.SH NAME +types \- primitive system data types +.SH SYNOPSIS +.B #include <sys/types.h> +.SH DESCRIPTION +The data types defined in the include file +are used in the operating system. +Some data of these types are useful in user code. +.PP +.EX +.ta \w'typedef 'u +\w'unsigned short 'u +\w'label_t[14]; 'u +typedef long daddr_t; \fRdisk block number, see \fIfilsys\fR(5)\f5 +typedef char * caddr_t; \fRgeneral memory pointer\f5 +typedef unsigned short ino_t; \fRinode number, \fIfilsys\fR(5)\f5 +typedef long size_t; \fRfile size, \fIstat\fR(2)\f5 +typedef long time_t; \fRtime, \fItime\fR(2)\f5 +typedef unsigned short dev_t; \fRdevice code, \fIstat\fR(2)\f5 +typedef long off_t; \fRfile offset, \fIlseek\fR(2)\f5 +.EE +.PP +The following macros analyze and synthesize device numbers; +see +.IR intro (4). +.PP +.EX +#define major(x) ((int)(((unsigned)(x)>>8)&0377)) +#define minor(x) ((int)((x)&0377)) +#define makedev(x,y) ((dev_t)(((x)<<8) | (y))) +.EE +.PP +The file contains other definitions as well, +internal to the system +or specific to particular system calls. +Pages in section 2 +tell which calls need +.BR <sys/types.h> . +.SH SEE ALSO +.IR filsys (5), +.IR time (2), +.IR intro (4) |