diff options
Diffstat (limited to 'man2/uname.2')
| -rw-r--r-- | man2/uname.2 | 46 |
1 files changed, 24 insertions, 22 deletions
diff --git a/man2/uname.2 b/man2/uname.2 index c44f9cf26d..4a274a2383 100644 --- a/man2/uname.2 +++ b/man2/uname.2 @@ -56,24 +56,10 @@ is set to indicate the error. .B EFAULT .I buf is not valid. -.SH STANDARDS -POSIX.1-2001, POSIX.1-2008, SVr4, 4.4BSD. -.PP +.SH VERSIONS The .I domainname member (the NIS or YP domain name) is a GNU extension. -.SH NOTES -The kernel has the name, release, version, and supported machine type built in. -Conversely, the -.I nodename -field is configured by the administrator to match the network -(this is what the BSD historically calls the "hostname", -and is set via -.BR sethostname (2)). -Similarly, the -.I domainname -field is set via -.BR setdomainname (2). .PP The length of the fields in the struct varies. Some operating systems @@ -90,13 +76,10 @@ Clearly, it is a bad idea to use any of these constants; just use sizeof(...). SVr4 uses 257, "to support Internet hostnames" \[em] this is the largest value likely to be encountered in the wild. -.PP -Part of the utsname information is also accessible via -.IR /proc/sys/kernel/ { ostype , -.IR hostname , -.IR osrelease , -.IR version , -.IR domainname }. +.SH STANDARDS +POSIX.1-2008. +.SH HISTORY +POSIX.1-2001, SVr4, 4.4BSD. .SS C library/kernel differences Over time, increases in the size of the .I utsname @@ -125,6 +108,25 @@ The glibc .BR uname () wrapper function hides these details from applications, invoking the most recent version of the system call provided by the kernel. +.SH NOTES +The kernel has the name, release, version, and supported machine type built in. +Conversely, the +.I nodename +field is configured by the administrator to match the network +(this is what the BSD historically calls the "hostname", +and is set via +.BR sethostname (2)). +Similarly, the +.I domainname +field is set via +.BR setdomainname (2). +.PP +Part of the utsname information is also accessible via +.IR /proc/sys/kernel/ { ostype , +.IR hostname , +.IR osrelease , +.IR version , +.IR domainname }. .SH SEE ALSO .BR uname (1), .BR getdomainname (2), |