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| -rw-r--r-- | docs/FAQ | 21 |
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@@ -72,6 +72,7 @@ FAQ 5.6 What about Keep-Alive or persistent connections? 5.7 Link errors when building libcurl on Windows! 5.8 libcurl.so.3: open failed: No such file or directory + 5.9 How does libcurl resolve host names? 6. License Issues 6.1 I have a GPL program, can I use the libcurl library? @@ -795,6 +796,26 @@ FAQ 'man ld.so' and 'man ld' will tell you more details + 5.9 How does libcurl resolve host names? + + libcurl includes a number of different name resolve functions: + + - The non-ipv6 resolver that can use one out of four host name resolve calls + (depending on what your system supports): + + A - gethostbyname() + B - gethostbyname_r() with 3 arguments + C - gethostbyname_r() with 5 arguments + D - gethostbyname_r() with 6 arguments + + - The ipv6-resolver that uses getaddrinfo() + + - The c-ares based name resolver that uses the c-ares library for resolves. + + - The Windows threaded resolver. It use: + + A - gethostbyname() on plain ipv4 windows hosts + B - getaddrinfo() on ipv6-enabled windows hosts 6. License Issues |