Try something else

bin/http_server.c

@@ -1038,8 +1038,10 @@ http_server_on_close (lsquic_stream_t *stream, lsquic_stream_ctx_t *st_h)
     free(st_h->req_path);
     if (st_h->reader.lsqr_ctx)
         destroy_lsquic_reader_ctx(st_h->reader.lsqr_ctx);
+#if HAVE_PREADV
     if (s_pwritev)
         close(st_h->file_fd);
+#endif
     if (st_h->req)
         interop_server_hset_destroy(st_h->req);
     free(st_h);

wincompat/vc_compat.h

@@ -11,7 +11,6 @@ struct iovec {
 #define strncasecmp _strnicmp
 #define strdup _strdup
 #define PATH_MAX MAX_PATH
-#define close _close
 
 #define posix_memalign(p, a, s) (((*(p)) = _aligned_malloc((s), (a))), *(p) ?0 :errno)