netdb.h File Reference

#include <sys/types.h>
#include <stdint.h>
#include <netinet/in.h>

Go to the source code of this file.

Classes
struct	addrinfo
	Structure to contain information about address of a service provider. More...

Macros
#define	EAI_AGAIN   -3
	Temporary failure in name resolution.
#define	EAI_FAIL   -4
	, Non-recoverable failure in name res
#define	EAI_MEMORY   -10
	Memory allocation failure.

Functions
const char *	gai_strerror (int __ecode)
	see 'man gai_strerror'
void	freeaddrinfo (struct addrinfo *ai)
	see 'man freeaddrinfo'
int	getaddrinfo (const char *nodename, const char *servname, const struct addrinfo *hints, struct addrinfo **res)
	see 'man getaddrinfo'

Detailed Description

Copyright

Copyright (c) 2016, Stuart W Baker All rights reserved.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

• Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
• Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

This file implements POSIX netdb.h prototypes.

Author

Stuart W. Baker

Date

2 July 2016

Definition in file netdb.h.

Macro Definition Documentation

EAI_AGAIN

#define EAI_AGAIN   -3

Temporary failure in name resolution.

Definition at line 67 of file netdb.h.

EAI_FAIL

#define EAI_FAIL   -4

, Non-recoverable failure in name res

Definition at line 68 of file netdb.h.

EAI_MEMORY

#define EAI_MEMORY   -10

Memory allocation failure.

Definition at line 69 of file netdb.h.

Function Documentation

freeaddrinfo()

void freeaddrinfo

(

struct addrinfo *

ai

)

see 'man freeaddrinfo'

Parameters

ai	is the addrinfo structure, allocated by getaddrinfo, to be released.

Definition at line 1112 of file net_cc3220/CC32xxSocket.cxx.

gai_strerror()

const char * gai_strerror

(

int

__ecode

)

see 'man gai_strerror'

Parameters

__ecode

is the error code

Returns

error string (statically allocated)

Definition at line 1093 of file net_cc3220/CC32xxSocket.cxx.

getaddrinfo()

int getaddrinfo	(	const char *	nodename,
		const char *	servname,
		const struct addrinfo *	hints,
		struct addrinfo **	res
	)

see 'man getaddrinfo'

Parameters

nodename	what to look up (host name typically)
servname	local mDNS service name to look up
hints	not sure
res	an addrinfo strcture will be allocated into here

Returns

0 on success, -1 on error

Definition at line 1131 of file net_cc3220/CC32xxSocket.cxx.