user: implement mlibc as the libc, finally.

It's finally done..

Signed-off-by: kaguya <vpshinomiya@protonmail.com>

user/include/mlibc/scripts/abi-link.sh

@@ -0,0 +1,12 @@
+#!/bin/bash
+# USAGE: put files and ports in the arrays below and export the abi you want to use
+
+
+declare -a files=()
+declare -a ports=()
+
+for file in "${files[@]}"; do
+	for port in "${ports[@]}"; do
+	    ln -rsiv abis/$abi/$file sysdeps/$port/include/abi-bits/$file
+	done
+done