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Networking Services (XNS) Issue 5
Copyright © 1997 The Open Group

NAME

gethostname - get name of current host

SYNOPSIS

#include <unistd.h>


int gethostname(char *name, size_t namelen);

DESCRIPTION

The gethostname() function returns the standard host name for the current machine. The namelen argument specifies the size of the array pointed to by the name argument. The returned name is null-terminated, except that if namelen is an insufficient length to hold the host name, then the returned name is truncated and it is unspecified whether the returned name is null-terminated.

Host names are limited to 255 bytes.

RETURN VALUE

On successful completion, 0 is returned. Otherwise, -1 is returned.

ERRORS

No errors are defined.

SEE ALSO

gethostid() (in the XSH specification), uname(), <unistd.h>.

CHANGE HISTORY

First released in Issue 4.
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