<ctime> (time.h)

<ctime> (time.h)

C Time Library

This header file contains definitions of functions to get and manipulate date and time information.

Functions

Time manipulation

clock

Clock program  (function )

difftime

Return difference between two times  (function)

mktime

Convert tm structure to time_t  (function)

time

Get current time  (function)

Conversion :

asctime

Convert tm structure to string  (function)

ctime

Convert time_t value to string  (function)

gmtime

Convert time_t to tm as UTC time  (function )

localtime

Convert time_t to tm as local time  (function)

strftime

Format time as string  (function )

Macros

CLOCKS_PER_SEC

Clock ticks per second  (macro)

NULL

Null pointer  (macro)

types

clock_t

Clock type  (type )

size_t

Unsigned integral type  (type)

time_t

Time type  (type)

struct tm

Time structure  (type)