最終更新:2019-01-21 (月) 18:55:08 (2509d)

types.h

The <sys/types.h> header includes definitions for at least the following types:

型	説明
blkcnt_t?	Used for file block counts
blksize_t?	Used for block sizes
clock_t?	Used for system times in clock ticks or CLOCKS_PER_SEC (see <time.h>).
clockid_t?	Used for clock ID type in the clock and timer functions.
dev_t	Used for device IDs.
fsblkcnt_t?	Used for file system block counts
fsfilcnt_t?	Used for file system file counts
gid_t?	Used for group IDs.
id_t?	Used as a general identifier; can be used to contain at least a pid_t, uid_t or a gid_t.
ino_t?	Used for file serial numbers.
key_t?	Used for interprocess communication.
mode_t?	Used for some file attributes.
nlink_t?	Used for link counts.
off_t?	Used for file sizes.
pid_t?	Used for process IDs and process group IDs.
pthread_attr_t?	Used to identify a thread attribute object.
pthread_cond_t?	Used for condition variables.
pthread_condattr_t?	Used to identify a condition attribute object.
pthread_key_t?	Used for thread-specific data keys.
pthread_mutex_t	Used for mutexes.
pthread_mutexattr_t?	Used to identify a mutex attribute object.
pthread_once_t?	Used for dynamic package initialisation.
pthread_rwlock_t?	Used for read-write locks.
pthread_rwlockattr_t?	Used for read-write lock attributes.
pthread_t?	Used to identify a thread.
size_t	Used for sizes of objects.
ssize_t?	Used for a count of bytes or an error indication.
suseconds_t?	Used for time in microseconds
time_t	Used for time in seconds.
timer_t?	Used for timer ID returned by timer_create().
uid_t?	Used for user IDs.
useconds_t?	Used for time in microseconds.

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