Add a "fork" of musl as //fusl.

fusl/src/conf/legacy.c

Index: fusl/src/conf/legacy.c
diff --git a/fusl/src/conf/legacy.c b/fusl/src/conf/legacy.c
new file mode 100644
index 0000000000000000000000000000000000000000..f1d9e3253cf640fa30a5560d8b9913296eccb6d0
--- /dev/null
+++ b/fusl/src/conf/legacy.c
@@ -0,0 +1,22 @@
+#include <sys/sysinfo.h>
+#include <unistd.h>
+
+int get_nprocs_conf()
+{
+	return sysconf(_SC_NPROCESSORS_CONF);
+}
+
+int get_nprocs()
+{
+	return sysconf(_SC_NPROCESSORS_ONLN);
+}
+
+long get_phys_pages()
+{
+	return sysconf(_SC_PHYS_PAGES);	
+}
+
+long get_avphys_pages()
+{
+	return sysconf(_SC_AVPHYS_PAGES);	
+}