--- net.lo ---
net.c:1071:5: error: use of undeclared identifier 'EAI_ADDRFAMILY'
                { EAI_ADDRFAMILY, NET_HOSTERROR_TYPE_NOT_FOUND },
                  ^
net.c:1077:5: error: use of undeclared identifier 'EAI_NODATA'
                { EAI_NODATA, NET_HOSTERROR_TYPE_NOT_FOUND },
                  ^
net.c:1083:31: error: invalid application of 'sizeof' to an incomplete type 'const struct (anonymous struct at net.c:1067:8) []'
        for (unsigned int i = 0; i < N_ELEMENTS(error_map); i++) {
                                     ^~~~~~~~~~~~~~~~~~~~~
./macros.h:19:9: note: expanded from macro 'N_ELEMENTS'
        (sizeof(arr) / sizeof((arr)[0]))
               ^~~~~
3 errors generated.
*** [net.lo] Error code 1