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Puas muab qee qhov taw qhia?

Cov txheej txheem:

Puas muab qee qhov taw qhia?
Puas muab qee qhov taw qhia?

Video: Puas muab qee qhov taw qhia?

Video: Puas muab qee qhov taw qhia?
Video: Qee Ntsuj Qee Hlauv - Koos Loos 2024, Tej zaum
Anonim

To "muab pointers" txhais tau tias kom muab lus qhia me ntsis. Koj tsis tuav qhov zoo.

Koj siv tus pointer hauv kab lus li cas?

Piv txwv tus taw qhia hauv kab lus

Cia kuv muab ob peb taw qhia rau koj txog kev tswj hwm kev lag luam ua tiav. Cov ntaub ntawv tshiab kawg muab qhov taw qhia rau kev lag luam kev loj hlob tag nrho. Qhov no yuav yog qhov taw qhia rau qhov teeb meem loj heev.

tus taw tes yog dab tsi?

Cov lus slang "Pointers" yog ib lub npe uas yog siv los siv cov hniav nyiaj hniav kub.

Tus taw tes hauv ntawv xov xwm yog dab tsi?

Tus Pointer sim tshuaj xyuas txhua qhov tseeb Qhov tseeb yog qhov tseem ceeb ntawm cov neeg sau xov xwm thiab cov koom haum xov xwm thiab yuav tsum tsis txhob cuam tshuam. Tus Pointer ua txhua yam los txheeb xyuas tus kheej thiab keeb kwm ntawm peb qhov chaw. … Thaum cov xov xwm thiab cov tswv yim muaj rau kev noj, cov lus siv los qhia lawv tsis yog.

Dab tsi yog hom ntaub ntawv pointer?

File pointer yog tus taw tes uas yog siv los lis thiab khaws cov ntaub ntawv nkag musCov ntaub ntawv tshiab hu ua "FILE" yog siv los tshaj tawm cov ntaub ntawv pointer. Hom ntaub ntawv no tau txhais hauv stdio. h file. … Thaum qhib cov ntaub ntawv, cov ntaub ntawv pointer tuaj yeem siv los ua I/O cov haujlwm ntawm cov ntaub ntawv.

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