Initial project import

tools/v/vlib/builtin/builtin_test.c.v

@@ -0,0 +1,32 @@
+fn test_g_main_argc() {
+	assert g_main_argc > 0
+}
+
+fn test_g_main_argv() {
+	assert g_main_argv != 0
+	mut first_arg := ''
+	$if windows {
+		first_arg = unsafe { string_from_wide(&&u16(g_main_argv)[0]) }
+	} $else {
+		first_arg = unsafe { cstring_to_vstring(&&char(g_main_argv)[0]) }
+	}
+	assert first_arg.contains('builtin_test')
+}
+
+fn test_c_strstr_is_declared() {
+	found := unsafe { C.strstr(c'hello world', c'world') } != unsafe { nil }
+	assert found
+}
+
+@[if windows]
+fn test_bool_size() {
+	println(@LOCATION)
+	assert sizeof(C.BOOL) == 4
+}
+
+fn test_v_getpid__and__v_gettid() {
+	p := v_getpid()
+	dump(p)
+	t := v_gettid()
+	dump(t)
+}