timer_t − timer ID
Standard C library (libc)
#include <sys/types.h>
typedef /* ... */ timer_t;
Used for timer ID returned by timer_create(2).
POSIX.1-2008.
POSIX.1-2001.
The following header also provides timer_t: <time.h>.
timer_create(2), timer_delete(2), timer_getoverrun(2), timer_settime(2)