Return the protocol number from an address‐info element (for example IPPROTO_TCP).

Synopsis

Declared in <openssl/bio.h>

int
BIO_ADDRINFO_protocol(BIO_ADDRINFO const* bai);

Return Value

Protocol constant suitable for socket(), or 0 if unspecified.

Parameters

Name

Description

bai

Address‐info node from BIO_lookup_ex() / BIO_ADDRINFO_next().

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