gethostname - get name of current host
int gethostname(char *name, socklen_t namelen);
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.
On successful completion, 0 is returned. Otherwise, -1 is returned.
No errors are defined.
Man-page definitions in the XSH specification, for
gethostid() uname(), <unistd.h>.
First released in Issue 4.