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diff --git a/board/MAI/bios_emulator/scitech/src/pm/ntdrv/stdlib.c b/board/MAI/bios_emulator/scitech/src/pm/ntdrv/stdlib.c
deleted file mode 100644
index bbf0cbf4a7..0000000000
--- a/board/MAI/bios_emulator/scitech/src/pm/ntdrv/stdlib.c
+++ /dev/null
@@ -1,139 +0,0 @@
-/****************************************************************************
-*
-* SciTech OS Portability Manager Library
-*
-* ========================================================================
-*
-* The contents of this file are subject to the SciTech MGL Public
-* License Version 1.0 (the "License"); you may not use this file
-* except in compliance with the License. You may obtain a copy of
-* the License at http://www.scitechsoft.com/mgl-license.txt
-*
-* Software distributed under the License is distributed on an
-* "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
-* implied. See the License for the specific language governing
-* rights and limitations under the License.
-*
-* The Original Code is Copyright (C) 1991-1998 SciTech Software, Inc.
-*
-* The Initial Developer of the Original Code is SciTech Software, Inc.
-* All Rights Reserved.
-*
-* ========================================================================
-*
-* Language: ANSI C
-* Environment: 32-bit Windows NT driver
-*
-* Description: C library compatible stdlib.h functions for use within a
-* Windows NT driver.
-*
-****************************************************************************/
-
-#include "pmapi.h"
-#include "oshdr.h"
-
-/*------------------------ Main Code Implementation -----------------------*/
-
-/****************************************************************************
-REMARKS:
-PM_malloc override function for Nucleus drivers loaded in NT drivers's.
-****************************************************************************/
-void * malloc(
- size_t size)
-{
- return PM_mallocShared(size);
-}
-
-/****************************************************************************
-REMARKS:
-calloc library function for Nucleus drivers loaded in NT drivers's.
-****************************************************************************/
-void * calloc(
- size_t nelem,
- size_t size)
-{
- void *p = PM_mallocShared(nelem * size);
- if (p)
- memset(p,0,nelem * size);
- return p;
-}
-
-/****************************************************************************
-REMARKS:
-PM_realloc override function for Nucleus drivers loaded in VxD's.
-****************************************************************************/
-void * realloc(
- void *ptr,
- size_t size)
-{
- void *p = PM_mallocShared(size);
- if (p) {
- memcpy(p,ptr,size);
- PM_freeShared(ptr);
- }
- return p;
-}
-
-/****************************************************************************
-REMARKS:
-PM_free override function for Nucleus drivers loaded in VxD's.
-****************************************************************************/
-void free(
- void *p)
-{
- PM_freeShared(p);
-}
-
-/****************************************************************************
-PARAMETERS:
-cstr - C style ANSI string to convert
-
-RETURNS:
-Pointer to the UniCode string structure or NULL on failure to allocate memory
-
-REMARKS:
-Converts a C style string to a UniCode string structure that can be passed
-directly to NT kernel functions.
-****************************************************************************/
-UNICODE_STRING *_PM_CStringToUnicodeString(
- const char *cstr)
-{
- int length;
- ANSI_STRING ansiStr;
- UNICODE_STRING *uniStr;
-
- /* Allocate memory for the string structure */
- if ((uniStr = ExAllocatePool(NonPagedPool, sizeof(UNICODE_STRING))) == NULL)
- return NULL;
-
- /* Allocate memory for the wide string itself */
- length = (strlen(cstr) * sizeof(WCHAR)) + sizeof(WCHAR);
- if ((uniStr->Buffer = ExAllocatePool(NonPagedPool, length)) == NULL) {
- ExFreePool(uniStr);
- return NULL;
- }
- RtlZeroMemory(uniStr->Buffer, length);
- uniStr->Length = 0;
- uniStr->MaximumLength = (USHORT)length;
-
- /* Convert filename string to ansi string and then to UniCode string */
- RtlInitAnsiString(&ansiStr, cstr);
- RtlAnsiStringToUnicodeString(uniStr, &ansiStr, FALSE);
- return uniStr;
-}
-
-/****************************************************************************
-PARAMETERS:
-uniStr - UniCode string structure to free
-
-REMARKS:
-Frees a string allocated by the above _PM_CStringToUnicodeString function.
-****************************************************************************/
-void _PM_FreeUnicodeString(
- UNICODE_STRING *uniStr)
-{
- if (uniStr) {
- ExFreePool(uniStr->Buffer);
- ExFreePool(uniStr);
- }
-}
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