llgo/c/hyper-related c lib

c/fddef/_wrap/fddef.c

@@ -0,0 +1,13 @@
+#include <sys/types.h>
+
+int fd_isset(int n, fd_set *fd) {
+    return FD_ISSET(n, fd);
+}
+
+void fdSet(int n, fd_set *fd) {
+    FD_SET(n, fd);
+}
+
+void fd_zero(fd_set *fd) {
+    FD_ZERO(fd);
+}