--- tests/handshake_table.c.orig Mon May 4 23:28:43 2020 +++ tests/handshake_table.c Mon May 4 23:29:50 2020 @@ -477,6 +477,7 @@ unsigned int depth = 0; int ch, graphviz = 0, print = 0; +#ifndef _MSC_VER while ((ch = getopt(argc, argv, "Cg")) != -1) { switch (ch) { case 'C': @@ -494,6 +495,7 @@ if (argc != 0) usage(); +#endif if (graphviz && print) usage();