NETDB_INTERNAL    100 native_client_sdk/src/libraries/nacl_io/host_resolver.cc   h_errno = NETDB_INTERNAL;
NETDB_INTERNAL    117 native_client_sdk/src/libraries/nacl_io/host_resolver.cc         h_errno = NETDB_INTERNAL;
NETDB_INTERNAL     22 native_client_sdk/src/libraries/nacl_io/syscalls/hstrerror.c     case NETDB_INTERNAL: