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# dnssd Data Types

## Topics

### Data Types

[`struct CompileTimeAssertionChecks_DNS_SD`](/documentation/dnssd/CompileTimeAssertionChecks_DNS_SD)

[`typealias DNSRecordRef`](/documentation/dnssd/DNSRecordRef)

[`typealias DNSServiceRef`](/documentation/dnssd/DNSServiceRef)

[`typealias DNSServiceSleepKeepaliveReply`](/documentation/dnssd/DNSServiceSleepKeepaliveReply)

[`typealias dnssd_sock_t`](/documentation/dnssd/dnssd_sock_t)

[`typedef struct DNSServiceAttribute_s DNSServiceAttribute;`](/documentation/dnssd/DNSServiceAttribute)

[`typealias DNSServiceAttributeRef`](/documentation/dnssd/DNSServiceAttributeRef)



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