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UNAME(3) Library Functions Manual UNAME(3) NAME uname -- get system identification LIBRARY Standard C Library (libc, -lc) SYNOPSIS #include <sys/utsname.h> int uname(struct utsname *name); DESCRIPTION The uname() function stores NUL-terminated strings of information identify- ing the current system into the structure referenced by name. The utsname structure is defined in the <sys/utsname.h> header file, and contains the following members: sysname Name of the operating system implementation. nodename Network name of this machine. release Release level of the operating system. version Version level of the operating system. machine Machine hardware platform. RETURN VALUES The uname() function returns the value 0 if successful; otherwise the value -1 is returned and the global variable errno is set to indicate the error. ENVIRONMENT UNAME_s If the environment variable UNAME_s is set, it will override the sysname member. UNAME_r If the environment variable UNAME_r is set, it will override the release member. UNAME_v If the environment variable UNAME_v is set, it will override the version member. UNAME_m If the environment variable UNAME_m is set, it will override the machine member. ERRORS The uname() function may fail and set errno for any of the errors specified for the library functions sysctl(3). SEE ALSO uname(1), sysctl(3) STANDARDS The uname() function conforms to IEEE Std 1003.1-1988 ("POSIX.1"). HISTORY The uname() function first appeared in 4.4BSD. FreeBSD ports 15.1 December 2, 2005 UNAME(3)
NAME | LIBRARY | SYNOPSIS | DESCRIPTION | RETURN VALUES | ENVIRONMENT | ERRORS | SEE ALSO | STANDARDS | HISTORY
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