implicit declaration of function copy_from_user, redefinition of 'struct in6_addr'

[Dzenly]

error: implicit declaration of function 'copy_from_user'

Fixed by:

#include <linux/uaccess.h>

/usr/src/linux-headers-4.13.0-1-common/include/uapi/linux/in6.h:32:8: error: redefinition of 'struct in6_addr'
 struct in6_addr {
        ^~~~~~~~
In file included from /home/alexey/soft/dtrace-2017.11.21/build-4.13.0-1-amd64/driver/dtrace.c:128:0:
/home/alexey/soft/dtrace-2017.11.21/build-4.13.0-1-amd64/driver/../../uts/common/netinet/in.h:17:8: note: originally defined here
 struct in6_addr {

This one I don't know how to fix for now.

If i comment the string with in.h include, I get such errors:

/home/alexey/soft/dtrace-2017.11.21/build-4.13.0-1-amd64/driver/dtrace.c: In function 'dtrace_dif_subr':
/home/alexey/soft/dtrace-2017.11.21/build-4.13.0-1-amd64/driver/dtrace.c:4921:12: error: 'struct in6_addr' has no member named '_S6_un'; did you mean 'in6_u'?
     if (ip6._S6_un._S6_u8[i] == 0 &&

[ghost]

How to fix the error?

[hepyu]

Is this problem has sovled?

[dtrace4linux]

impllicit definitions are not an error, but the kernel makefiles will mark them as such. it needs a relevant #include to bring the prototype into scope, or you can forge one into the affected source file. at some point, i will update the code to work with more modern kernels.

…

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