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uname(2)

gethostid(3N)

gethostname(3C-ucb)     (BSD Compatibility Package)     gethostname(3C-ucb)

NAME
     gethostname, sethostname - get/set name of current host

SYNOPSIS
     /usr/ucb/cc [flag ...] file ... -lucb

     int gethostname(char *name, int namelen);

     int sethostname(char *name, int namelen);

DESCRIPTION
     gethostname() returns the standard host name for the current proces-
     sor, as previously set by sethostname(). The parameter namelen speci-
     fies the size of the array pointed to by name. The returned name is
     null-terminated unless insufficient space is provided.

     sethostname() sets the name of the host machine to be name, which has
     length namelen. This call is restricted to the privileged user and is
     normally used only when the system is bootstrapped.

RETURN VALUE
     If the call succeeds a value of 0 is returned. If the call fails, then
     a value of -1 is returned and an error code is placed in the global
     location errno.

ERRORS
     The following error code descriptions are function-specific. You will
     find a general description in introprm2(2) or in errno(5).

     The following error may be returned by these calls:

     EFAULT     The name or namelen parameter gave an invalid address.

     EPERM      The caller was not the privileged user. This error only
                applies to sethostname().

NOTES
     Host names are limited to MAXHOSTNAMELEN characters, currently 256
     (see the param.h header file).

SEE ALSO
     uname(2), gethostid(3N).













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