diff --git a/src/lib.rs b/src/lib.rs
index 8ab3682..4f0625f 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -121,4 +121,16 @@ pub mod hypotf;
 #[path = "math/ilogb.rs"]
 pub mod ilogb;
 #[path = "math/ilogbf.rs"]
-pub mod ilogbf;
\ No newline at end of file
+pub mod ilogbf;
+#[path = "math/j0.rs"]
+pub mod j0;
+#[path = "math/j0f.rs"]
+pub mod j0f;
+#[path = "math/j1.rs"]
+pub mod j1;
+#[path = "math/j1f.rs"]
+pub mod j1f;
+#[path = "math/jn.rs"]
+pub mod jn;
+#[path = "math/jnf.rs"]
+pub mod jnf;
\ No newline at end of file
diff --git a/src/math/j0.rs b/src/math/j0.rs
new file mode 100644
index 0000000..32e5b77
--- /dev/null
+++ b/src/math/j0.rs
@@ -0,0 +1,14 @@
+// SPDX-License-Identifier: MPL-2.0
+/*
+ * File: src/math/j0.rs
+ *
+ * The j0 function.
+ *
+ * Author: HTG-YT
+ * Copyright (c) 2021 The LibM Team of the HaruxOS Project
+ */
+
+#[no_mangle]
+pub extern "C" fn j0(x: f64) -> f64 {
+    libm::j0(x)
+}
\ No newline at end of file
diff --git a/src/math/j0f.rs b/src/math/j0f.rs
new file mode 100644
index 0000000..e3c7516
--- /dev/null
+++ b/src/math/j0f.rs
@@ -0,0 +1,14 @@
+// SPDX-License-Identifier: MPL-2.0
+/*
+ * File: src/math/j0f.rs
+ *
+ * The j0f function.
+ *
+ * Author: HTG-YT
+ * Copyright (c) 2021 The LibM Team of the HaruxOS Project
+ */
+
+#[no_mangle]
+pub extern "C" fn j0f(x: f32) -> f32 {
+    libm::j0f(x)
+}
\ No newline at end of file
diff --git a/src/math/j1.rs b/src/math/j1.rs
new file mode 100644
index 0000000..6936de8
--- /dev/null
+++ b/src/math/j1.rs
@@ -0,0 +1,14 @@
+// SPDX-License-Identifier: MPL-2.0
+/*
+ * File: src/math/j1.rs
+ *
+ * The j1 function.
+ *
+ * Author: HTG-YT
+ * Copyright (c) 2021 The LibM Team of the HaruxOS Project
+ */
+
+#[no_mangle]
+pub extern "C" fn j1(x: f64) -> f64 {
+    libm::j1(x)
+}
\ No newline at end of file
diff --git a/src/math/j1f.rs b/src/math/j1f.rs
new file mode 100644
index 0000000..b865e78
--- /dev/null
+++ b/src/math/j1f.rs
@@ -0,0 +1,14 @@
+// SPDX-License-Identifier: MPL-2.0
+/*
+ * File: src/math/j1f.rs
+ *
+ * The j1f function.
+ *
+ * Author: HTG-YT
+ * Copyright (c) 2021 The LibM Team of the HaruxOS Project
+ */
+
+#[no_mangle]
+pub extern "C" fn j1f(x: f32) -> f32 {
+    libm::j1f(x)
+}
\ No newline at end of file
diff --git a/src/math/jn.rs b/src/math/jn.rs
new file mode 100644
index 0000000..749ac44
--- /dev/null
+++ b/src/math/jn.rs
@@ -0,0 +1,14 @@
+// SPDX-License-Identifier: MPL-2.0
+/*
+ * File: src/math/jn.rs
+ *
+ * The jn function.
+ *
+ * Author: HTG-YT
+ * Copyright (c) 2021 The LibM Team of the HaruxOS Project
+ */
+
+#[no_mangle]
+pub extern "C" fn jn(n: i32, x: f64) -> f64 {
+    libm::jn(n, x)
+}
\ No newline at end of file
diff --git a/src/math/jnf.rs b/src/math/jnf.rs
new file mode 100644
index 0000000..f758186
--- /dev/null
+++ b/src/math/jnf.rs
@@ -0,0 +1,14 @@
+// SPDX-License-Identifier: MPL-2.0
+/*
+ * File: src/math/jnf.rs
+ *
+ * The jnf function.
+ *
+ * Author: HTG-YT
+ * Copyright (c) 2021 The LibM Team of the HaruxOS Project
+ */
+
+#[no_mangle]
+pub extern "C" fn jn(n: i32, x: f32) -> f32 {
+    libm::jnf(n, x)
+}
\ No newline at end of file