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uname(3) [bsd man page]

UNAME(3)						     Library Functions Manual							  UNAME(3)

uname - get system identification SYNOPSIS
#include <sys/utsname.h> int uname(name) struct utsname *name DESCRIPTION
The uname function stores nul-terminated strings of information identifying 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
If uname is successful, 0 is returned, otherwise, -1 is returned and errno is set appropriately. 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 Std1003.1-88 (``POSIX''). HISTORY
The uname function first appeared in 4.4BSD. 4th Berkeley Distribution February 4, 1995 UNAME(3)

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uname(2)							   System Calls 							  uname(2)

uname - get name of current operating system SYNOPSIS
#include <sys/utsname.h> int uname(struct utsname *name); DESCRIPTION
The uname() function stores information identifying the current operating system in the structure pointed to by name. The uname() function uses the utsname structure, defined in <sys/utsname.h>, whose members include: char sysname[SYS_NMLN]; char nodename[SYS_NMLN]; char release[SYS_NMLN]; char version[SYS_NMLN]; char machine[SYS_NMLN]; The uname() function returns a null-terminated character string naming the current operating system in the character array sysname. Simi- larly, the nodename member contains the name by which the system is known on a communications network. The release and version members further identify the operating system. The machine member contains a standard name that identifies the hardware on which the operating sys- tem is running. RETURN VALUES
Upon successful completion, a non-negative value is returned. Otherwise, -1 is returned and errno is set to indicate the error. ERRORS
The uname() function will fail if: EFAULT The name argument points to an illegal address. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Interface Stability |Standard | +-----------------------------+-----------------------------+ |MT-Level |Async-Signal-Safe | +-----------------------------+-----------------------------+ SEE ALSO
uname(1), sysinfo(2), sysconf(3C), attributes(5), standards(5) SunOS 5.10 21 Jul 1999 uname(2)
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