On Saturday, 25 November 2023 at 05:04:57 UTC, d007 wrote:
`import core.sys.posix.sys.socket : msghdr, cmsghdr, iovec;`


`msg_iovlen`, `msg_controllen`, `cmsg_len` is ulong for x86-64 in druntime.



in alpine musl, they are int,  socklen_t(uint), socklen_t(uint).



Is this mismatch can cause problems is I use related api ?

Yes. Mismatch of types is a really bad error for c interaction.

-Steve

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