_getlong(3) Library Functions Manual _getlong(3)
NAME
_getlong - Retrieves 32-bit quantities from a byte stream
LIBRARY
Standard C Library (libc.so, libc.a)
SYNOPSIS
#include <sys/types.h>
#include <netinet/in.h>
#include <arpa/nameser.h>
#include <resolv.h>
unsigned int _getlong (
u_char *message_ptr );
PARAMETERS
Specifies a pointer into the byte stream.
DESCRIPTION
The _getlong() function gets 32-bit quantities from the byte stream or arbitrary byte boundaries.
The _getlong() function is one of a set of subroutines that form the resolver, a set of functions that resolves 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 _getlong() function returns an unsigned int (32-bit) value.
FILES
Defines name server and domain names.
RELATED INFORMATION
Functions: res_init(3), res_mkquery(3), res_send(3), dn_comp(3), dn_expand(3), dn_find(3), _getshort(3), putshort(3), putlong(3), dn_skip-
name(3) delim off
_getlong(3)