Use Xt memory allocation functions

Why do these even exist? I mean I guess there are some additions
compared to the standard ones but like why, why not just make
supplemental ones. Do these allocation functions do some wierd
different shit? What?

libXmd/XmdIcon.c

@@ -1,37 +0,0 @@
-#include <Xmd/Icon.h>
-
-Pixmap _XmdLoadBitmapIcon (Widget widget, unsigned char *bits, int width, int height) {
-	Pixel fg, bg;
-	XtVaGetValues (widget,
-    		XmNforeground, &fg,
-		XmNbackground, &bg, 
-		NULL);
-	return XCreatePixmapFromBitmapData (
-		XtDisplay (widget),
-		RootWindowOfScreen(XtScreen(widget)),
-		(char *)(bits), width, height,
-		fg, bg, DefaultDepthOfScreen(XtScreen(widget)));
-}
-
-Pixmap XmdReadBitmapFile (Widget widget, const char *filename) {
-	Pixel fg, bg;
-	XtVaGetValues (widget,
-    		XmNforeground, &fg,
-		XmNbackground, &bg, 
-		NULL);
-	unsigned int  width, height;
-	unsigned char *data;
-	int           garbage;
-	XReadBitmapFileData (
-		filename,
-		&width, &height,
-		&data,
-		&garbage, &garbage);
-	Pixmap result = XCreatePixmapFromBitmapData (
-		XtDisplay (widget),
-		RootWindowOfScreen(XtScreen(widget)),
-		(char *)(data), width, height,
-		fg, bg, DefaultDepthOfScreen(XtScreen(widget)));
-	XFree(data);
-	return result;
-}

libXmd/include/Xmd/Buffer.h

@@ -1,7 +1,7 @@
 #ifndef _XmdBuffer_h
 #define _XmdBuffer_h
 
-#include <stddef.h>
+#include <X11/Intrinsic.h>
 
 /* Buffer is a struct that keeps track of a variable length array of data. It
    is like a piggy bank, you can add stuff to it and then break it to get access