diff --git a/reactos/lib/fslib/vfatlib/check/check.c b/reactos/lib/fslib/vfatlib/check/check.c
index 09a223be1a0..7b3ddcd61ed 100644
--- a/reactos/lib/fslib/vfatlib/check/check.c
+++ b/reactos/lib/fslib/vfatlib/check/check.c
@@ -130,7 +130,7 @@ loff_t alloc_rootdir_entry(DOS_FS *fs, DIR_ENT *de, const char *pattern)
 	DIR_ENT *root;
 	int next_free = 0, scan;
 
-	root = alloc(fs->root_entries*sizeof(DIR_ENT));
+	root = vfalloc(fs->root_entries*sizeof(DIR_ENT));
 	fs_read(fs->root_start,fs->root_entries*sizeof(DIR_ENT),root);
 
 	while (next_free < (int)fs->root_entries)
@@ -151,7 +151,7 @@ loff_t alloc_rootdir_entry(DOS_FS *fs, DIR_ENT *de, const char *pattern)
 	    if (scan == (int)fs->root_entries) break;
 	    if (++curr_num >= 10000) die("Unable to create unique name");
 	}
-	free(root);
+	vffree(root);
     }
     ++n_files;
     return offset;
diff --git a/reactos/lib/fslib/vfatlib/check/common.c b/reactos/lib/fslib/vfatlib/check/common.c
index 527041a6256..d8be79e3fcd 100644
--- a/reactos/lib/fslib/vfatlib/check/common.c
+++ b/reactos/lib/fslib/vfatlib/check/common.c
@@ -44,7 +44,7 @@ void pdie(char *msg,...)
 }
 
 
-void *alloc(int size)
+void *vfalloc(int size)
 {
     void *ptr;
 
@@ -61,7 +61,7 @@ void *alloc(int size)
     return ptr;
 }
 
-void free(void *ptr)
+void vffree(void *ptr)
 {
     RtlFreeHeap(RtlGetProcessHeap(), 0, ptr);
 }
@@ -70,10 +70,10 @@ void *qalloc(void **root,int size)
 {
     LINK *link;
 
-    link = alloc(sizeof(LINK));
+    link = vfalloc(sizeof(LINK));
     link->next = *root;
     *root = link;
-    return link->data = alloc(size);
+    return link->data = vfalloc(size);
 }
 
 
@@ -84,8 +84,8 @@ void qfree(void **root)
     while (*root) {
 	this = (LINK *) *root;
 	*root = this->next;
-	free(this->data);
-	free(this);
+	vffree(this->data);
+	vffree(this);
     }
 }
 
diff --git a/reactos/lib/fslib/vfatlib/check/common.h b/reactos/lib/fslib/vfatlib/check/common.h
index db29ca42ee6..0b001e6da93 100644
--- a/reactos/lib/fslib/vfatlib/check/common.h
+++ b/reactos/lib/fslib/vfatlib/check/common.h
@@ -17,8 +17,8 @@ void pdie(char *msg,...);
 
 /* Like die, but appends an error message according to the state of errno. */
 
-void *alloc(int size);
-void free(void *ptr);
+void *vfalloc(int size);
+void vffree(void *ptr);
 /* mallocs SIZE bytes and returns a pointer to the data. Terminates the program
    if malloc fails. */
 
diff --git a/reactos/lib/fslib/vfatlib/check/fat.c b/reactos/lib/fslib/vfatlib/check/fat.c
index 86ad5067185..34a8461d867 100644
--- a/reactos/lib/fslib/vfatlib/check/fat.c
+++ b/reactos/lib/fslib/vfatlib/check/fat.c
@@ -55,11 +55,11 @@ void read_fat(DOS_FS *fs)
 	if (eff_size % 512) {
 		eff_size += 512 - (eff_size % 512);
 	}
-    first = alloc(eff_size);
+    first = vfalloc(eff_size);
     fs_read(fs->fat_start,eff_size,first);
     use = first;
     if (fs->nfats > 1) {
-	second = alloc(eff_size);
+	second = vfalloc(eff_size);
 	fs_read(fs->fat_start+fs->fat_size,eff_size,second);
     }
     else
@@ -106,9 +106,9 @@ void read_fat(DOS_FS *fs)
 		   i-2,fs->fat[i].value,fs->clusters+2-1);
 	    set_fat(fs,i,-1);
 	}
-    free(first);
+    vffree(first);
     if (second)
-	free(second);
+	vffree(second);
 }
 
 
diff --git a/reactos/lib/fslib/vfatlib/check/file.c b/reactos/lib/fslib/vfatlib/check/file.c
index 4cb2efb12fe..d3cf2ecfa00 100644
--- a/reactos/lib/fslib/vfatlib/check/file.c
+++ b/reactos/lib/fslib/vfatlib/check/file.c
@@ -128,7 +128,7 @@ void file_add(char *path,FD_TYPE type)
 		die("Ambiguous name: \"%s\"",path);
 	    else if (here && !strncmp(name,walk->name,MSDOS_NAME)) break;
 	if (!walk) {
-	    walk = alloc(sizeof(FDSC));
+	    walk = vfalloc(sizeof(FDSC));
 	    strncpy(walk->name,name,MSDOS_NAME);
 	    walk->type = here ? fdt_none : type;
 	    walk->first = NULL;
@@ -203,7 +203,7 @@ void file_modify(FDSC **curr,unsigned char *fixed)
 	    die("Internal error: file_modify");
     }
     next = (*this)->next;
-    free(*this);
+    vffree(*this);
     *this = next;
 }
 
@@ -218,7 +218,7 @@ static void report_unused(FDSC *this)
 	else if (this->type != fdt_none)
 		VfatPrint("Warning: did not %s file %s\n",this->type == fdt_drop ?
 		  "drop" : "undelete",file_name((unsigned char*)this->name));
-	free(this);
+	vffree(this);
 	this = next;
     }
 }
diff --git a/reactos/lib/fslib/vfatlib/check/io.c b/reactos/lib/fslib/vfatlib/check/io.c
index eb47b166013..623a843121c 100644
--- a/reactos/lib/fslib/vfatlib/check/io.c
+++ b/reactos/lib/fslib/vfatlib/check/io.c
@@ -86,14 +86,14 @@ void fs_read(loff_t pos,int size,void *data)
  	const loff_t seekpos_aligned = pos - (pos % 512);                   // TMN:
  	const size_t seek_delta = (size_t)(pos - seekpos_aligned);          // TMN:
 	const size_t readsize = (size_t)(pos - seekpos_aligned) + readsize_aligned; // TMN:
-	char* tmpBuf = alloc(readsize_aligned);                                    // TMN:
+	char* tmpBuf = vfalloc(readsize_aligned);                                    // TMN:
     if (llseek(fd,seekpos_aligned,0) != seekpos_aligned) pdie("Seek to %I64d",pos);
     if ((got = read(fd,tmpBuf,readsize_aligned)) < 0) pdie("Read %d bytes at %I64d",size,pos);
 	assert(got >= size);
 	got = size;
 	assert(seek_delta + size <= readsize);
 	memcpy(data, tmpBuf+seek_delta, size);
-	free(tmpBuf);
+	vffree(tmpBuf);
 #else // TMN:
     if (llseek(fd,pos,0) != pos) pdie("Seek to %lld",pos);
     if ((got = read(fd,data,size)) < 0) pdie("Read %d bytes at %lld",size,pos);
@@ -119,15 +119,15 @@ int fs_test(loff_t pos,int size)
 #if 1 // TMN
 	const size_t readsize_aligned = (size % 512) ? (size + (512 - (size % 512))) : size;        // TMN:
 	const loff_t seekpos_aligned = pos - (pos % 512);                   // TMN:
-    scratch = alloc(readsize_aligned);
+    scratch = vfalloc(readsize_aligned);
     if (llseek(fd,seekpos_aligned,0) != seekpos_aligned) pdie("Seek to %lld",pos);
     okay = read(fd,scratch,readsize_aligned) == (int)readsize_aligned;
-    free(scratch);
+    vffree(scratch);
 #else // TMN:
     if (llseek(fd,pos,0) != pos) pdie("Seek to %lld",pos);
-    scratch = alloc(size);
+    scratch = vfalloc(size);
     okay = read(fd,scratch,size) == size;
-    free(scratch);
+    vffree(scratch);
 #endif // TMN:
     return okay;
 }
@@ -148,7 +148,7 @@ void fs_write(loff_t pos,int size,void *data)
 
         /* Aloc temp buffer if write is not aligned */
         if (use_read)
-            scratch = alloc(readsize_aligned);
+            scratch = vfalloc(readsize_aligned);
         else
             scratch = data;
 
@@ -167,16 +167,16 @@ void fs_write(loff_t pos,int size,void *data)
         /* Write it back */
         if ((did = write(fd,scratch,readsize_aligned)) == (int)readsize_aligned)
         {
-            if (use_read) free(scratch);
+            if (use_read) vffree(scratch);
             return;
         }
         if (did < 0) pdie("Write %d bytes at %I64d",size,pos);
         die("Wrote %d bytes instead of %d at %I64d",did,size,pos);
     }
 
-    new = alloc(sizeof(CHANGE));
+    new = vfalloc(sizeof(CHANGE));
     new->pos = pos;
-    memcpy(new->data = alloc(new->size = size),data,size);
+    memcpy(new->data = vfalloc(new->size = size),data,size);
     new->next = NULL;
     if (last) last->next = new;
     else changes = new;
@@ -190,9 +190,9 @@ void fs_write(loff_t pos,int size,void *data)
 	if (did < 0) pdie("Write %d bytes at %lld",size,pos);
 	die("Wrote %d bytes instead of %d at %lld",did,size,pos);
     }
-    new = alloc(sizeof(CHANGE));
+    new = vfalloc(sizeof(CHANGE));
     new->pos = pos;
-    memcpy(new->data = alloc(new->size = size),data,size);
+    memcpy(new->data = vfalloc(new->size = size),data,size);
     new->next = NULL;
     if (last) last->next = new;
     else changes = new;
@@ -215,8 +215,8 @@ static void fs_flush(void)
 
     fs_write(this->pos, this->size, this->data);
 
-	free(this->data);
-	free(this);
+	vffree(this->data);
+	vffree(this);
     }
 
     /* Restore values */
@@ -233,8 +233,8 @@ int fs_close(int write)
     if (write) fs_flush();
     else while (changes) {
 	    next = changes->next;
-	    free(changes->data);
-	    free(changes);
+	    vffree(changes->data);
+	    vffree(changes);
 	    changes = next;
 	}
     if (close(fd) < 0) pdie("closing file system");
diff --git a/reactos/lib/fslib/vfatlib/check/lfn.c b/reactos/lib/fslib/vfatlib/check/lfn.c
index 71d95b2bbf2..01fb697d184 100644
--- a/reactos/lib/fslib/vfatlib/check/lfn.c
+++ b/reactos/lib/fslib/vfatlib/check/lfn.c
@@ -81,7 +81,7 @@ static char *cnv_unicode( const unsigned char *uni, int maxlen, int use_q )
 	else
 	    len += 4;
     }
-    cp = out = use_q ? qalloc( &mem_queue, len+1 ) : alloc( len+1 );
+    cp = out = use_q ? qalloc( &mem_queue, len+1 ) : vfalloc( len+1 );
 
     for( up = uni; (up-uni)/2 < maxlen && (up[0] || up[1]); up += 2 ) {
 	if (UNICODE_CONVERTABLE(up[0],up[1]))
@@ -132,10 +132,10 @@ static void clear_lfn_slots( int start, int end )
 void lfn_reset( void )
 {
     if (lfn_unicode)
-	free( lfn_unicode );
+	vffree( lfn_unicode );
     lfn_unicode = NULL;
     if (lfn_offsets)
-	free( lfn_offsets );
+	vffree( lfn_offsets );
     lfn_offsets = NULL;
     lfn_slot = -1;
 }
@@ -169,8 +169,8 @@ void lfn_add_slot( DIR_ENT *de, loff_t dir_offset )
 		char *part2 = CNV_PARTS_SO_FAR();
 		VfatPrint( "  It could be that the LFN start bit is wrong here\n"
 			"  if \"%s\" seems to match \"%s\".\n", part1, part2 );
-		free( part1 );
-		free( part2 );
+		vffree( part1 );
+		vffree( part2 );
 		can_clear = 1;
 	    }
 	    if (interactive) {
@@ -197,8 +197,8 @@ void lfn_add_slot( DIR_ENT *de, loff_t dir_offset )
 	}
 	lfn_slot = lfn->id & LFN_ID_SLOTMASK;
 	lfn_checksum = lfn->alias_checksum;
-	lfn_unicode = alloc( (lfn_slot*CHARS_PER_LFN+1)*2 );
-	lfn_offsets = alloc( lfn_slot*sizeof(loff_t) );
+	lfn_unicode = vfalloc( (lfn_slot*CHARS_PER_LFN+1)*2 );
+	lfn_offsets = vfalloc( lfn_slot*sizeof(loff_t) );
 	lfn_parts = 0;
     }
     else if (lfn_slot == -1) {
@@ -219,7 +219,7 @@ void lfn_add_slot( DIR_ENT *de, loff_t dir_offset )
 	    switch( get_key( "123", "?" )) {
 	      case '1':
 		if (!lfn_offsets)
-		    lfn_offsets = alloc( sizeof(loff_t) );
+		    lfn_offsets = vfalloc( sizeof(loff_t) );
 		lfn_offsets[0] = dir_offset;
 		clear_lfn_slots( 0, 0 );
 		lfn_reset();
@@ -233,8 +233,8 @@ void lfn_add_slot( DIR_ENT *de, loff_t dir_offset )
 			  sizeof(lfn->id), &lfn->id );
 		lfn_slot = lfn->id & LFN_ID_SLOTMASK;
 		lfn_checksum = lfn->alias_checksum;
-		lfn_unicode = alloc( (lfn_slot*CHARS_PER_LFN+1)*2 );
-		lfn_offsets = alloc( lfn_slot*sizeof(loff_t) );
+		lfn_unicode = vfalloc( (lfn_slot*CHARS_PER_LFN+1)*2 );
+		lfn_offsets = vfalloc( lfn_slot*sizeof(loff_t) );
 		lfn_parts = 0;
 		break;
 	    }
@@ -255,8 +255,8 @@ void lfn_add_slot( DIR_ENT *de, loff_t dir_offset )
 	    char *part2 = CNV_PARTS_SO_FAR();
 	    VfatPrint( "  It could be that just the number is wrong\n"
 		    "  if \"%s\" seems to match \"%s\".\n", part1, part2 );
-	    free( part1 );
-	    free( part2 );
+	    vffree( part1 );
+	    vffree( part2 );
 	    can_fix = 1;
 	}
 	if (interactive) {
@@ -381,7 +381,7 @@ char *lfn_get( DIR_ENT *de )
 	VfatPrint( "Unfinished long file name \"%s\".\n"
 		"  (Start may have been overwritten by %s)\n",
 		long_name, short_name );
-	free( long_name );
+	vffree( long_name );
 	if (interactive) {
 	    VfatPrint( "1: Delete LFN\n2: Leave it as it is.\n"
 		    "3: Fix numbering (truncates long name and attaches "
@@ -421,7 +421,7 @@ char *lfn_get( DIR_ENT *de )
 	VfatPrint( "Wrong checksum for long file name \"%s\".\n"
 		"  (Short name %s may have changed without updating the long name)\n",
 		long_name, short_name );
-	free( long_name );
+	vffree( long_name );
 	if (interactive) {
 	    VfatPrint( "1: Delete LFN\n2: Leave it as it is.\n"
 		    "3: Fix checksum (attaches to short name %s)\n",