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1. getaddrinfo function (ws2tcpip.h) - Win32 apps | Microsoft Learn
Link: https://learn.microsoft.com/en-us/windows/win32/api/ws2tcpip/nf-ws2tcpip-getaddrinfo
Description: Aug 22, 2022 · The getaddrinfo function provides protocol-independent translation from an ANSI host name to an address. Syntax. C++. INT WSAAPI getaddrinfo( [in, optional] PCSTR pNodeName, [in, optional] PCSTR pServiceName, [in, optional] const ADDRINFOA *pHints, [out] PADDRINFOA *ppResult. ); Parameters.
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2. getaddrinfo(3) - Linux manual page - man7.org
Link: https://www.man7.org/linux/man-pages/man3/getaddrinfo.3.html
Description: The getaddrinfo () function combines the functionality provided by the gethostbyname (3) and getservbyname (3) functions into a single interface, but unlike the latter functions, getaddrinfo () is reentrant and allows programs to eliminate IPv4-versus-IPv6 dependencies.
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3. getaddrinfo - Wikipedia
Link: https://en.wikipedia.org/wiki/Getaddrinfo
Description: getaddrinfo () converts human-readable text strings representing hostnames or IP addresses into a dynamically allocated linked list of struct addrinfo structures. The function prototype for this function is specified as follows: int getaddrinfo(const char* hostname, const char* service, const struct addrinfo* hints, struct addrinfo** res); hostname
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4. How to Use the getaddrinfo Function in C | Delft Stack
Link: https://www.delftstack.com/howto/c/getaddrinfo-in-c/
Description: Feb 2, 2024 · This article will demonstrate multiple methods about how to use the getaddrinfo function in C. Use the getaddrinfo Function to Host Name to IP Address in C. getaddrinfo is part of the UNIX networking programming facilities, and it can convert network host information to the IP address and conversely.
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5. c - How does getaddrinfo() do DNS lookup? - Stack Overflow
Link: https://stackoverflow.com/questions/2157592/how-does-getaddrinfo-do-dns-lookup
Description: Oct 29, 2016 · The short answer is " it asks the system ", which in turn knows how to do DNS lookups and which servers to use. getaddrinfo () is documented by the getaddrinfo (3) manual page, which means it's a C library function. It is also a POSIX function, so there is no canonical "source"; each standard C library of an operating system that conforms to ...
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6. getaddrinfo_a(3) - Linux manual page - man7.org
Link: https://www.man7.org/linux/man-pages/man3/getaddrinfo_a.3.html
Description: DESCRIPTION top. The getaddrinfo_a () function performs the same task as. getaddrinfo(3), but allows multiple name look-ups to be performed. asynchronously, with optional notification on completion of look- up operations. The mode argument has one of the following values: GAI_WAIT . Perform the look-ups synchronously. The call blocks until.
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7. linux - Understanding getaddrinfo function in C - Stack Overflow
Link: https://stackoverflow.com/questions/64238919/understanding-getaddrinfo-function-in-c
Description: Oct 7, 2020 · Understanding getaddrinfo function in C. Ask Question. Asked 3 years, 4 months ago. Modified 3 years, 4 months ago. Viewed 2k times. 6. I'm new to C and socket programming, just a question on getaddrinfo function. The function prototype of getaddrinfo is:
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8. getaddrinfo() — Get address information - IBM
Link: https://www.ibm.com/docs/en/zos/2.4.0?topic=functions-getaddrinfo-get-address-information
Description: General description. The getaddrinfo () function translates the name of a service location (for example, a host name) and/or service name and returns a set of socket addresses and associated information to be used in creating a socket with which to address the specified service.
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9. c++ - How to use getaddrinfo()? - Stack Overflow
Link: https://stackoverflow.com/questions/15693945/how-to-use-getaddrinfo
Description: Jun 20, 2016 · How to use getaddrinfo ()? Ask Question. Asked 10 years, 11 months ago. Modified 7 months ago. Viewed 14k times. 5. Im trying to make a simple program that takes in a string like www.google.com and returns the ip address... What i have so far: char* hostname = new char[www.size()+1]; std::copy(www.begin(), www.end(), hostname);
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10. What does getaddrinfo do? - jameshfisher.com
Link: https://jameshfisher.com/2018/02/03/what-does-getaddrinfo-do/
Description: Feb 3, 2018 · What does getaddrinfo do? The following C program calls getaddrinfo ("google.com", ...) , a function from sys/socket.h . On the face of it, getaddrinfo is used to do DNS lookups. #include <stdio.h> #include <sys/types.h> #include <sys/socket.h> #include <netdb.h> #include <arpa/inet.h> int main(void) { struct addrinfo* addr;