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C date and time functions

Index C date and time functions

The C date and time functions are a group of functions in the standard library of the C programming language implementing date and time manipulation operations. [1]

12 relations: C (programming language), C standard library, C++, Calendar, Coordinated Universal Time, CPU time, Epoch (reference date), Include directive, Standard streams, System time, Unix time, Year 2038 problem.

C (programming language)

C (as in the letter ''c'') is a general-purpose, imperative computer programming language, supporting structured programming, lexical variable scope and recursion, while a static type system prevents many unintended operations.

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C standard library

The C standard library or libc is the standard library for the C programming language, as specified in the ANSI C standard.

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C++

C++ ("see plus plus") is a general-purpose programming language.

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Calendar

A calendar is a system of organizing days for social, religious, commercial or administrative purposes.

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Coordinated Universal Time

No description.

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CPU time

CPU time (or process time) is the amount of time for which a central processing unit (CPU) was used for processing instructions of a computer program or operating system, as opposed to elapsed time, which includes for example, waiting for input/output (I/O) operations or entering low-power (idle) mode.

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Epoch (reference date)

In the fields of chronology and periodization, an epoch is an instant in time chosen as the origin of a particular era.

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Include directive

Many programming languages and other computer files have a directive, often called include (as well as copy and import), that causes the contents of a second file to be inserted into the original file.

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Standard streams

In computer programming, standard streams are preconnected input and output communication channels between a computer program and its environment when it begins execution.

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System time

In computer science and computer programming, system time represents a computer system's notion of the passing of time.

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Unix time

Unix time (also known as POSIX time or UNIX Epoch time) is a system for describing a point in time, defined as the number of seconds that have elapsed since 00:00:00 Coordinated Universal Time (UTC), Thursday, 1 January 1970,.

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Year 2038 problem

The Year 2038 problem relates to representing time in many digital systems as number of seconds passed since 1 January 1970 and storing it as a signed 32-bit integer.

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Redirects here:

"time t", Asctime, C date and time operations, Ctime(), Difftime, Gmtime, Localtime, Mktime, Strftime, Strptime, Struct tm, Sys/time.h, Tiem.h, Time t, Time(), Time.h.

References

[1] https://en.wikipedia.org/wiki/C_date_and_time_functions

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