timeval - time in seconds and microseconds

       Describes times in seconds and microseconds.

       POSIX.1-2001.

       Standard C library (libc)

       timeval - time in seconds and microseconds

       The following headers also provide this type: <sys/resource.h>, <sys/select.h>, and <utmpx.h>.

gettimeofday(2),   select(2),   utimes(2),   adjtime(3),   futimes(3),  timeradd(3),  suseconds_t(3type),
       time_t(3type), timespec(3type)

Linux man-pages 6.9.1                              2024-05-02                                     timeval(3type)

       POSIX.1-2008.

#include<sys/time.h>structtimeval{time_ttv_sec;   /* Seconds */
           suseconds_ttv_usec;  /* Microseconds */
       };