NAME

_getshort − Retrieves short quantities from a byte stream

SYNOPSIS

#include <sys/types.h>
#include <netinet/in.h>
#include <arpa/nameser.h>
#include <resolv.h>
unsigned short _getshort(
        u_char ∗message_ptr );

LIBRARY

Standard C Library (libc)

PARAMETERS

message_ptr
Specifies a pointer into the byte stream.

DESCRIPTION

the _getshort() function gets 16-bit quantities from the byte stream or arbitrary byte boundaries. 

The _getshort() function is one of a set of subroutines that form the resolver, a set of functions that resolve domain names. Global information that is used by the resolver functions is kept in the _res data structure. The include/resolv.h file contains the _res data structure definition. 

RETURN VALUES

Upon successful completion, the _getshort() function returns an unsigned short (16-bit) value. 

FILES

/etc/resolv.conf
Defines name server and domain names.

SEE ALSO

Functions: res_init(3), res_mkquery(3), res_send(3), dn_comp(3), dn_expand(3), dn_find(3), _getlong(3), putshort(3), putlong(3), dn_skipname(3)