init crate

.gitignore

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+# dot directories
+.idea
+
+# lock files
+Cargo.lock

Cargo.toml

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+[package]
+name = "externc-libm"
+version = "0.1.0"
+edition = "2018"
+authors = [ "The LibM Team of HaruxOS" ]
+description = "A port of `libm` that has all the required no_mangle and extern-cs for linking."
+license = "MPL-2.0"

src/lib.rs

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+// SPDX-License-Identifier: MPL-2.0
+/*
+ * File: src/lib.rs
+ *
+ * The externc-libm library.
+ *
+ * Author: HTG-YT
+ * Copyright (c) 2021 The Bootmgr Team of the HaruxOS Project
+ */
+
+#![no_std]