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(libc.info)Date and Time

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Date and Time
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   This chapter describes functions for manipulating dates and times,
including functions for determining what time it is and conversion
between different time representations.

Time Basics

Concepts and definitions.

Elapsed Time

Data types to represent elapsed times

Processor And CPU Time

Time a program has spent executing.

Calendar Time

Manipulation of ``real'' dates and times.

Setting an Alarm

Sending a signal after a specified time.

Sleeping

Waiting for a period of time.