Linux cli command suseconds_ttype
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NAME 🖥️ suseconds_ttype 🖥️
integer time
LIBRARY
Standard C library (libc)
SYNOPSIS
#include <time.h>
typedef /* ... */ time_t;
#include <sys/types.h>
typedef /* ... */ suseconds_t;
typedef /* ... */ useconds_t;
DESCRIPTION
time_t
Used for time in seconds. According to POSIX, it is an integer type.
suseconds_t
Used for time in microseconds. It is a signed integer type capable of storing values at least in the range [-1, 1000000].
useconds_t
Used for time in microseconds. It is an unsigned integer type capable of storing values at least in the range [0, 1000000].
STANDARDS
time_t
C11, POSIX.1-2008.
suseconds_t
useconds_t
POSIX.1-2008.
HISTORY
time_t
C89, POSIX.1-2001.
suseconds_t
useconds_t
POSIX.1-2001.
<sched.h> defines time_t since POSIX.1-2008.
POSIX.1-2001 defined useconds_t in <unistd.h> too.
NOTES
On some architectures, the width of time_t can be controlled with the feature test macro _TIME_BITS. See feature_test_macros(7).
The following headers also provide time_t: <sched.h>, <sys/msg.h>, <sys/select.h>, <sys/sem.h>, <sys/shm.h>, <sys/stat.h>, <sys/time.h>, <sys/types.h>, and <utime.h>.
The following headers also provide suseconds_t: <sys/select.h> and <sys/time.h>.
SEE ALSO
stime(2), time(2), ctime(3), difftime(3), usleep(3), timeval(3type)
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