linux open return value

2018年12月30日—...returnopen(name,O_WRONLY|O_CREAT|O_TRUNC,mode)}.close()系統呼叫.應用程式使用完fd後，可以用close()系統呼叫將fd從檔案表中移出 ...,ReturnValue.Uponsuccessfulcompletion,thefunctionshallopenthefileandreturnanon-negativeintegerreprese...

open

Theopen()functionshallreturnafiledescriptorforthenamedfilethatis...RETURNVALUE.Uponsuccessfulcompletion,thefunctionshallopenthefile ...

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2018年12月30日 — ... return open(name, O_WRONLY | O_CREAT | O_TRUNC, mode) }. close() 系統呼叫. 應用程式使用完fd 後，可以用close() 系統呼叫將fd 從檔案表中移出 ...

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2018年12月30日—...returnopen(name,O_WRONLY|O_CREAT|O_TRUNC,mode)}.close()系統呼叫.應用程式使用完fd後，可以用close()系統呼叫將fd從檔案表中移出 ...,ReturnValue.Uponsuccessfulcompletion,thefunctionshallopenthefileandreturnanon-negativeintegerrepresentingthelowestnumberedunusedfile ...,Thereturnvalueofopen()isafiledescriptor,asmall,nonnegative...ThisnonstandardaccessmodeisusedbysomeLinuxdriverstor...