NAME

gethostname − get name of current host

SYNOPSIS

int gethostname(hostname, size)
char *hostname;
unsigned int size;

DESCRIPTION

Gethostname returns in the array to which hostname points, the standard host name for the current processor as set by sethostname(2). Size specifies the length of the hostname array.  Hostname is null-terminated unless insufficient space is provided. 

RETURN VALUE

Gethostname returns a non-negative integer if successful.  Otherwise, −1 is returned and errno is set to indicate the error. 

ERRORS

Gethostname can fail if the following is true:

­[EFAULT] Hostname points to an illegal address.  The reliable detection of this error is implementation dependent. 

AUTHOR

Gethostname was developed by the University of California, Berkeley. 

SEE ALSO

hostname(1), uname(1), sethostname(2), uname(2). 

Hewlett-Packard Company  —  May 11, 2021