[header][C library] ctime (time.h)

*[header][C library] 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 )

Macro constants

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 )

내용 출처 : http://www.cplusplus.com/reference/ctime/