man pages section 3: Networking Library Functions

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Updated: July 2014
 
 

TXTRecordSetValue(3DNS_SD)

Name

TXTRecordCreate, TXTRecordDeallocate, TXTRecordSetValue, TXTRecordRemoveValue, TXTRecordGetLength, TXTRecordGetBytesPtr, TXTRecordContainsKey, TXTRecordGetValuePtr, TXTRecordGetCount, TXTRecordGetItemAtIndex - DNS TXT record manipulation functions

Synopsis

cc [ flag ... ] file ... –ldns_sd [ library ... ]
#include <dns_sd.h>

void TXTRecordCreate(TXTRecordRef *txtRecord, uint16_t bufferLen,
     void *buffer);
void TXTRecordDeallocate(TXTRecordRef*txtRecord);
DNSServiceErrorType txtRecord(TXTRecordRef *txtRecord,
     const char *key, uint8_t valueSize, const void *value);
DNSServiceErrorType TXTRecordRemoveValue(TXTRecordRef *txtRecord,
     const char *key);
uint16_t TXTRecordGetLength(const TXTRecordRef *txtRecord);
const void *TXTRecordGetBytesPtr(const TXTRecordRef *txtRecord);
int *TXTRecordContainsKey(uint16_t *txtLen,
     const void *txtRecord, const char *key);
const void *TXTRecordGetValuePtr(uint16_t *txtLen,
     const void *txtRecord, const char *key,
     uint8_t *valueLen);
uint16_t *TXTRecordGetCount(uint16_t *txtLen,
     const void *txtRecord);
DNSServiceErrorType TXTRecordGetItemAtIndex(uint16_t *txtLen,
     const void *txtRecord, uint16_t *index,
     uint16_t *keyBufLen, char *key,
     uint8_t *valueLen, const void **value);

Description

These functions in the libdns_sd library allow applications to create and to manipulate TXT resource records. TXT resource records enable applications to include service specific information, other than a host name and port number, as part of the service registration.

Attributes

See attributes(5) for description of the following attributes:

ATTRIBUTE TYPE
ATTRIBUTE VALUE
Interface Stability
Committed
MT-Level
Safe

See also

attributes(5)