When GLIBC doesn't provide it's own definition of some networking
macros or interfaces that the kernel provides, people include the
kernel header.
Recently I got a problem when copying a structure from kernel to userspace, after debugging I found:
kernel: include/linux/inet.h
#define INET6_ADDRSTRLEN (48)
glibc: /usr/include/netinet/in.h
#define INET6_ADDRSTRLEN 46
Any reason to differentiate them from each other?
Thanks,
Jike
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