build@students1804:~/NetworksLab2018AU/dns/server/build$ cmake ../
-- The C compiler identification is GNU 7.3.0
-- The CXX compiler identification is GNU 7.3.0
-- Check for working C compiler: /usr/bin/cc
-- Check for working C compiler: /usr/bin/cc -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Detecting C compile features
-- Detecting C compile features - done
-- Check for working CXX compiler: /usr/bin/c++
-- Check for working CXX compiler: /usr/bin/c++ -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- Configuring done
-- Generating done
-- Build files have been written to: /home/build/NetworksLab2018AU/dns/server/build
build@students1804:~/NetworksLab2018AU/dns/server/build$ make
Scanning dependencies of target server
[ 50%] Building CXX object CMakeFiles/server.dir/main.cpp.o
/home/build/NetworksLab2018AU/dns/server/main.cpp: In function ‘void decode(unsigned char*)’:
/home/build/NetworksLab2018AU/dns/server/main.cpp:36:16: error: ‘strnlen’ was not declared in this scope
     for (; i < strnlen(reinterpret_cast<const char *>(buffer), 256); i++) {
                ^~~~~~~
/home/build/NetworksLab2018AU/dns/server/main.cpp:36:16: note: suggested alternative: ‘mbrlen’
     for (; i < strnlen(reinterpret_cast<const char *>(buffer), 256); i++) {
                ^~~~~~~
                mbrlen
/home/build/NetworksLab2018AU/dns/server/main.cpp:38:9: error: ‘memcpy’ was not declared in this scope
         memcpy(buffer + i, buffer + i + 1, offset_size);
         ^~~~~~
/home/build/NetworksLab2018AU/dns/server/main.cpp:38:9: note: suggested alternative: ‘wmemcpy’
         memcpy(buffer + i, buffer + i + 1, offset_size);
         ^~~~~~
         wmemcpy
/home/build/NetworksLab2018AU/dns/server/main.cpp: In function ‘int main(int, char**)’:
/home/build/NetworksLab2018AU/dns/server/main.cpp:65:13: error: expected primary-expression before ‘.’ token
             .sin_addr.s_addr =htonl(INADDR_ANY)
             ^
/home/build/NetworksLab2018AU/dns/server/main.cpp:85:9: error: ‘strncpy’ was not declared in this scope
         strncpy(copy_name, qname, MAX_SIZE);
         ^~~~~~~
/home/build/NetworksLab2018AU/dns/server/main.cpp:85:9: note: suggested alternative: ‘wcpncpy’
         strncpy(copy_name, qname, MAX_SIZE);
         ^~~~~~~
         wcpncpy
/home/build/NetworksLab2018AU/dns/server/main.cpp:88:74: error: ‘strlen’ was not declared in this scope
         auto *reader = reinterpret_cast<char *>(&buffer[sizeof(header) + strlen(qname) + 1 + sizeof(dns_question)]);
                                                                          ^~~~~~
/home/build/NetworksLab2018AU/dns/server/main.cpp:88:74: note: suggested alternative: ‘slen’
         auto *reader = reinterpret_cast<char *>(&buffer[sizeof(header) + strlen(qname) + 1 + sizeof(dns_question)]);
                                                                          ^~~~~~
                                                                          slen
/home/build/NetworksLab2018AU/dns/server/main.cpp:89:9: error: ‘strcpy’ was not declared in this scope
         strcpy(reader, copy_name);
         ^~~~~~
/home/build/NetworksLab2018AU/dns/server/main.cpp:89:9: note: suggested alternative: ‘strtoq’
         strcpy(reader, copy_name);
         ^~~~~~
         strtoq
CMakeFiles/server.dir/build.make:62: recipe for target 'CMakeFiles/server.dir/main.cpp.o' failed
make[2]: *** [CMakeFiles/server.dir/main.cpp.o] Error 1
CMakeFiles/Makefile2:67: recipe for target 'CMakeFiles/server.dir/all' failed
make[1]: *** [CMakeFiles/server.dir/all] Error 2
Makefile:83: recipe for target 'all' failed
make: *** [all] Error 2