The header file <tim.h> definitions of functions to get and manipulate date and time information.

Types
clock_t Clock type - a C long type
time_t Time type
struct tm Time structure
Functions
asctime and asctime_r Convert a struct tm to a string
ctime and ctime_r Convert a time_t to a string
difftime Calculates the difference between two times
gmtime and gmtime_r Convert a time_t to a struct tm
localtime and localtime_r Convert a time_t to a struct tm
mktime Convert a struct tm to time_t
strftime Format a struct tm to a string