Linux, read return

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Linux, read return

The original data_size, exactly as passed to the read(2) system call. Returns: The message explaining the error. This message buffer is shared by all libexplain ... , #include <unistd.h> ssize_t read(int fd, void *buf, size_t len);. read() 系統呼叫會從fd 所參照檔案的當前位置讀取len 個位元組到buf,執行成功時 ...,The read() function reads data previously written to a file. If any portion of a regular file prior to the end-of-file has not been written, read() shall return bytes with ... ,NAME read - Read a line from the standard input and split it into fields. ... the initial text for Readline -n nchars return after reading NCHARS characters rather than ... IMPLEMENTATION GNU bash, version 4.1.5(1)-release (i486-pc-linux-gnu) ... ,read(2) — Linux manual page. NAME | SYNOPSIS | DESCRIPTION | RETURN VALUE | ERRORS | CONFORMING TO | NOTES | BUGS | SEE ALSO | COLOPHON ... ,If count is greater than SSIZE_MAX, the result is unspecified. Return Value. On success, the number of bytes read is returned (zero indicates end of file), and the ... ,The read() function reads data previously written to a file. If any portion of a regular file prior to the end-of-file has not been written, read() shall return bytes with ...

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Linux, read return 相關參考資料
explain_read(3): explain read errors - Linux man page

The original data_size, exactly as passed to the read(2) system call. Returns: The message explaining the error. This message buffer is shared by all libexplain&nbsp;...

https://linux.die.net

Linux 系統程式設計- read()、write() 與page cache | Jayce 的 ...

#include &lt;unistd.h&gt; ssize_t read(int fd, void *buf, size_t len);. read() 系統呼叫會從fd 所參照檔案的當前位置讀取len 個位元組到buf,執行成功時&nbsp;...

https://blog.jaycetyle.com

read

The read() function reads data previously written to a file. If any portion of a regular file prior to the end-of-file has not been written, read() shall return bytes with&nbsp;...

https://pubs.opengroup.org

read man page - LinuxCommand.org

NAME read - Read a line from the standard input and split it into fields. ... the initial text for Readline -n nchars return after reading NCHARS characters rather than ... IMPLEMENTATION GNU bash, ve...

http://linuxcommand.org

read(2) - Linux manual page - Michael Kerrisk - man7.org

read(2) — Linux manual page. NAME | SYNOPSIS | DESCRIPTION | RETURN VALUE | ERRORS | CONFORMING TO | NOTES | BUGS | SEE ALSO | COLOPHON&nbsp;...

https://man7.org

read(2): read from file descriptor - Linux man page

If count is greater than SSIZE_MAX, the result is unspecified. Return Value. On success, the number of bytes read is returned (zero indicates end of file), and the&nbsp;...

https://linux.die.net

read(3): read from file - Linux man page

The read() function reads data previously written to a file. If any portion of a regular file prior to the end-of-file has not been written, read() shall return bytes with&nbsp;...

https://linux.die.net