sethostname man page on MirBSD

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GETHOSTNAME(3)		   BSD Programmer's Manual		GETHOSTNAME(3)

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

SYNOPSIS
     #include <unistd.h>

     int
     gethostname(char *name, size_t namelen);

     int
     sethostname(const char *name, size_t namelen);

DESCRIPTION
     The gethostname() function returns the standard host name for the current
     processor, as previously set by sethostname(). The parameter namelen
     specifies the size of the name array. If insufficient space is provided,
     the returned name is truncated. The returned name is always NUL terminat-
     ed.

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

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

ERRORS
     The following errors may be returned by these calls:

     [EFAULT]	   The name parameter gave an invalid address.

     [EPERM]	   The caller tried to set the hostname and was not the su-
		   peruser.

SEE ALSO
     hostname(1), getdomainname(3), gethostid(3), sysctl(3), sysctl(8), yp(8)

STANDARDS
     The gethostname() function call conforms to X/Open Portability Guide
     Issue 4.2 ("XPG4.2").

HISTORY
     The gethostname() function call appeared in 4.2BSD.

BUGS
     Host names are limited to MAXHOSTNAMELEN (from <sys/param.h>) characters,
     currently 256. This includes the terminating NUL character.

     If the buffer passed to gethostname() is smaller than MAXHOSTNAMELEN,
     other operating systems may not guarantee termination with NUL.

MirOS BSD #10-current		 June 4, 1993				     1
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