Lseek return value
lseek is a system call that is used to change the location of the read/write ... return value, Returns the offset of the pointer (in bytes) from the ...,RETURN VALUE. Upon successful completion, the resulting offset, as measured in bytes from the beginning of the file, shall be returned. Otherwise, (off_t)- ...
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Lseek return value 相關參考資料
lseek
If fildes refers to a typed memory object, the result of the lseek() function is unspecified. [Option End]. RETURN VALUE. Upon successful completion, the resulting ... https://pubs.opengroup.org lseek (C System Call) - Code Wiki
lseek is a system call that is used to change the location of the read/write ... return value, Returns the offset of the pointer (in bytes) from the ... http://codewiki.wikidot.com lseek - The Open Group
RETURN VALUE. Upon successful completion, the resulting offset, as measured in bytes from the beginning of the file, shall be returned. Otherwise, (off_t)- ... http://www.opengroup.org lseek() - Unix, Linux System Call - Tutorialspoint
RETURN VALUE. Upon successful completion, lseek() returns the resulting offset location as measured in bytes from the beginning of the file. Otherwise, a value ... https://www.tutorialspoint.com lseek() in CC++ to read the alternate nth byte and write it in ...
Legal value r this variable are provided at the end. return value : Returns the offset of the pointer (in bytes) from the beginning of the file. If the return value is -1, https://www.geeksforgeeks.org lseek(2) - Linux manual page - Michael Kerrisk - man7.org
https://man7.org lseek(2): reposition readwrite file offset - Linux man page
Upon successful completion, lseek() returns the resulting offset location as measured in bytes from the beginning of the file. On error, the value (off_t) -1 is ... https://linux.die.net return value of lseek() - Stack Overflow
Also, on Linux, your commented-out code won't work as you expect. This code: 17 fd=openat(AT_FDCWD, "prwtest", O_CREAT | O_RDWR ... https://stackoverflow.com |