Linux system call return value
A system call would not be useful most of the time if it did not return some kind of a value: ... When using the Linux emulation mode, the signed value in EAX is ... ,You should add two arguments to your syscall: a buffer to write to, and its size. Then you can use snprintf() to print whatever string you want. You just have to ...
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 Linux system call return value 相關參考資料
10.4. Return Values
A system call would not be useful most of the time if it did not return some kind of a value: ... When using the Linux emulation mode, the signed value in EAX is ... http://www.blazej.org 10.4. Return Values - FreeBSD
A system call would not be useful most of the time if it did not return some kind of a value: ... When using the Linux emulation mode, the signed value in EAX is ... https://www.freebsd.org How do I get the output of a Linux System Call in CC++?
You should add two arguments to your syscall: a buffer to write to, and its size. Then you can use snprintf() to print whatever string you want. You just have to ... https://stackoverflow.com syscall(2) - Linux manual page - man7.org
Symbolic constants for system call numbers can be found in the header file <sys/syscall.h>. RETURN VALUE top. The return value is defined by the system call ... https://man7.org System Calls (The GNU C Library) - GNU.org
The return value is the return value from the system call, unless the system call failed. In that case, syscall returns -1 and sets errno to an error code that the ... https://www.gnu.org system(3) - Linux manual page - man7.org
https://man7.org What are the return values of system calls in Assembly ...
See also this excellent LWN article about system calls which assumes C knowledge. Also: The Definitive Guide to Linux System Calls (on x86), and related: ... https://stackoverflow.com 【CC++】Linux下使用system()函数一定要谨慎- 恋恋美食的 ...
2012年4月15日 — system() executes a command specified in command by calling /bin/sh ... If the value of command is NULL, system() returns nonzero if the shell ... https://my.oschina.net |