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dn_skipname(3)

NAME

dn_skipname - Skip over a compressed domain name

SYNOPSIS

#include <sys/types.h> #include <netinet/in.h> #include <arpa/nameser.h> #include <resolv.h> int dn_skipname( u_char *comp_domain_name, u_char *end_of_message );

LIBRARY

Standard C Library (libc)

PARAMETERS

comp_domain_name Specifies a pointer to a compressed domain name. end_of_message Specifies the end of the compressed domain name address.

DESCRIPTION

The dn_skipname() function skips over a compressed domain name. The dn_skipname() 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 structure definition.

RETURN VALUES

Upon successful completion, the dn_skipname() function returns the size of the compressed domain name. If the dn_skipname() function fails, -1 is returned.

FILES

/etc/resolv.conf Defines name server and domain name structures, values, and constants.

SEE ALSO

Functions: res_init(3), res_mkquery(3), res_send(3), dn_comp(3), dn_expand(3), dn_find(3), _getshort(3), _getlong(3), putshort(3), putlong(3) Commands: named(8)

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