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+CLASS="SCREEN"
+>GETHOSTNAME(3) System Library Functions 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 null termi-
+ nated.
+
+ 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 vari-
+ able errno.
+
+ERRORS
+ The following errors may be returned by these calls:
+
+ [EFAULT] The name or namelen parameter gave an invalid address.
+
+ [EPERM] The caller tried to set the hostname and was not the
+ superuser.
+
+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.
+
+BSD June 4, 1993 BSD
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