initial check-in, version 0.5.0

src/exit/assert.c

@@ -0,0 +1,9 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+void __assert_fail(const char *expr, const char *file, int line, const char *func)
+{
+	fprintf(stderr, "Assertion failed: %s (%s: %s: %d)\n", expr, file, func, line);
+	fflush(NULL);
+	abort();
+}