diff --git a/BOOT/ENVIRON/APP/BOOTMGR/bootmgr.c b/BOOT/ENVIRON/APP/BOOTMGR/bootmgr.c
index 0575fed..35b37df 100644
--- a/BOOT/ENVIRON/APP/BOOTMGR/bootmgr.c
+++ b/BOOT/ENVIRON/APP/BOOTMGR/bootmgr.c
@@ -14,6 +14,7 @@ Abstract:
 --*/
 
 #include "bootmgr.h"
+#include "bootlib.h"
 
 NTSTATUS
 BmMain (
@@ -38,9 +39,20 @@ Return Value:
 --*/
 
 {
-    (VOID)InputParameters;
+    NTSTATUS Status;
+    BOOT_LIBRARY_PARAMETERS LibraryParameters;
 
-    /* TODO: Implement this */
+    LibraryParameters.Flags = 0;
 
-    return STATUS_SUCCESS;
+    //
+    // Initialize the boot library.
+    //
+    Status = BlInitializeLibrary(InputParameters, &LibraryParameters);
+    if (!NT_SUCCESS(Status)) {
+        goto Exit;
+    }
+
+Exit:
+    BlDestroyLibrary();
+    return Status;
 }
diff --git a/BOOT/ENVIRON/INC/bootlib.h b/BOOT/ENVIRON/INC/bootlib.h
new file mode 100644
index 0000000..ed3c543
--- /dev/null
+++ b/BOOT/ENVIRON/INC/bootlib.h
@@ -0,0 +1,37 @@
+/*++
+
+Copyright (c) 2024, Quinn Stephens.
+Provided under the BSD 3-Clause license.
+
+Module Name:
+
+   bootlib.h
+
+Abstract:
+
+   Boot library definitions.
+
+--*/
+
+#ifndef _BOOTLIB_H
+#define _BOOTLIB_H
+
+#include <nt.h>
+#include "bootmgr.h"
+
+typedef struct {
+    ULONG Flags;
+} BOOT_LIBRARY_PARAMETERS, *PBOOT_LIBRARY_PARAMETERS;
+
+NTSTATUS
+BlInitializeLibrary (
+    IN PBOOT_INPUT_PARAMETERS InputParameters,
+    IN PBOOT_LIBRARY_PARAMETERS LibraryParameters
+    );
+
+NTSTATUS
+BlDestroyLibrary (
+    VOID
+    );
+
+#endif
diff --git a/BOOT/ENVIRON/INC/ntdef.h b/BOOT/ENVIRON/INC/ntdef.h
index 08076b9..1d790d3 100644
--- a/BOOT/ENVIRON/INC/ntdef.h
+++ b/BOOT/ENVIRON/INC/ntdef.h
@@ -50,6 +50,9 @@ Abstract:
     #define NTAPI
 #endif
 
+#undef NULL
+#define NULL ((VOID *)0)
+
 //
 // Basic types.
 //
diff --git a/BOOT/ENVIRON/LIB/bootlib.c b/BOOT/ENVIRON/LIB/bootlib.c
new file mode 100644
index 0000000..8048a7e
--- /dev/null
+++ b/BOOT/ENVIRON/LIB/bootlib.c
@@ -0,0 +1,107 @@
+/*++
+
+Copyright (c) 2024, Quinn Stephens.
+Provided under the BSD 3-Clause license.
+
+Module Name:
+
+   bootlib.c
+
+Abstract:
+
+   Provides boot library utilities.
+
+--*/
+
+#include "bootlib.h"
+
+NTSTATUS
+InitializeLibrary (
+    IN PBOOT_INPUT_PARAMETERS InputParameters,
+    IN PBOOT_LIBRARY_PARAMETERS LibraryParameters
+    )
+
+/*++
+
+Routine Description:
+
+    Internal routine to initialize the boot library.
+
+Arguments:
+
+    InputParameters - pointer to the input parameters structure.
+
+    LibraryParameters - pointer to the library parameters structure.
+
+Return Value:
+
+    STATUS_SUCCESS if successful.
+
+--*/
+
+{
+    (VOID)LibraryParameters;
+
+    //
+    // Verify input parameters structure.
+    //
+    if (InputParameters == NULL || InputParameters->Signature != BOOT_INPUT_PARAMETERS_SIGNATURE) {
+        return STATUS_INVALID_PARAMETER;
+    }
+
+    return STATUS_SUCCESS;
+}
+
+NTSTATUS
+BlInitializeLibrary (
+    IN PBOOT_INPUT_PARAMETERS InputParameters,
+    IN PBOOT_LIBRARY_PARAMETERS LibraryParameters
+    )
+
+/*++
+
+Routine Description:
+
+    Initializes the boot library.
+
+Arguments:
+
+    InputParameters - pointer to the input parameters structure.
+
+    LibraryParameters - pointer to the library parameters structure.
+
+Return Value:
+
+    Any value returned by InitializeLibrary().
+
+--*/
+
+{
+    return InitializeLibrary(InputParameters, LibraryParameters);
+}
+
+NTSTATUS
+BlDestroyLibrary (
+    VOID
+    )
+
+/*++
+
+Routine Description:
+
+    Cleans up after the boot library.
+
+Arguments:
+
+    None.
+
+Return Value:
+
+    STATUS_SUCCESS if successful.
+    Error status if an error is encountered.
+
+--*/
+
+{
+    return STATUS_SUCCESS;
+}