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