c variadic calls

examples/interop/header/native.c

@@ -1,4 +1,6 @@
 #include "include/native.h"
+#include <stdarg.h>
+#include <stdlib.h>
 
 struct Imported_Handle {
 	int value;
@@ -26,6 +28,28 @@ int imported_read(const Imported_Handle *value) {
 	return value->value;
 }
 
+int imported_variadic(int marker, ...) {
+	va_list args;
+	va_start(args, marker);
+	int narrow_signed = va_arg(args, int);
+	int narrow_unsigned = va_arg(args, int);
+	double float_value = va_arg(args, double);
+	double c_float_value = va_arg(args, double);
+	const unsigned char *pointer = va_arg(args, const unsigned char *);
+	const unsigned char *nullable = va_arg(args, const unsigned char *);
+	va_end(args);
+	if (!(marker == 7 &&
+	      narrow_signed == -2 &&
+	      narrow_unsigned == 3 &&
+	      float_value == 4.0 &&
+	      c_float_value == 5.0 &&
+	      pointer[0] == 'o' &&
+	      nullable == pointer)) {
+		abort();
+	}
+	return 0;
+}
+
 #ifdef BROLANG_FEATURE
 int configured_value(int value) {
 	return value;