--- ddxli.h
+++ ddxli.h
@@ -36,11 +36,13 @@
 
 /* equate bcopy with memcpy and bzero with memset where appropriate. */
 #ifdef HAS_MEMCPY
+#ifndef __linux__
 #ifndef bcopy
 #define bcopy(S,D,N) memcpy((char *)(D),(char *)(S),(N))
 #endif
 #ifndef bzero
 #define bzero(P,N) memset((P),'\0',(N))
+#endif /* __linux__ */
 #endif
 #ifndef bfill
 #define bfill(P,N,C) memset((P),(C),(N))
--- faces.c
+++ faces.c
@@ -56,9 +56,15 @@
     if (! strcmp(buf, "\n"))
       break;
     if (!strncmp(buf, "FirstName:", 10))
-      strcpy(fname, buf + 11);
+      {
+       strncpy(fname, buf + 11, BUFSIZ - 1);
+       fname[BUFSIZ - 1] = '\0';
+      }
     else if (!strncmp(buf, "LastName:", 9))
-      strcpy(lname, buf + 10);
+      {
+       strncpy(lname, buf + 10, BUFSIZ - 1);
+       lname[BUFSIZ - 1] = '\0';
+      }
     else if (!strncmp(buf, "Image:", 6)) {
       if (sscanf(buf + 7, "%d%d%d", &iw, &ih, &id) != 3) {
 	fprintf(stderr,"facesLoad: %s - Bad image\n", name);
--- reduce.c
+++ reduce.c
@@ -178,7 +178,8 @@
 	/* get destination image */
 	depth = colorsToDepth(OutColors);
 	new_image = newRGBImage(image->width, image->height, depth);
-	sprintf(buf, "%s (%d colors)", image->title, OutColors);
+	snprintf(buf, BUFSIZ, "%s (%d colors)", image->title, OutColors);
+	buf[BUFSIZ-1] = '\0'; 
 	new_image->title = dupString(buf);
 	new_image->gamma = image->gamma;
 
--- zoom.c
+++ zoom.c
@@ -52,28 +52,29 @@
     if (verbose)
       printf("  Zooming image Y axis by %d%%...", yzoom);
     if (changetitle)
-      sprintf(buf, "%s (Y zoom %d%%)", oimage->title, yzoom);
+      snprintf(buf, BUFSIZ, "%s (Y zoom %d%%)", oimage->title, yzoom);
   }
   else if (!yzoom) {
     if (verbose)
       printf("  Zooming image X axis by %d%%...", xzoom);
     if (changetitle)
-      sprintf(buf, "%s (X zoom %d%%)", oimage->title, xzoom);
+      snprintf(buf, BUFSIZ, "%s (X zoom %d%%)", oimage->title, xzoom);
   }
   else if (xzoom == yzoom) {
     if (verbose)
       printf("  Zooming image by %d%%...", xzoom);
     if (changetitle)
-      sprintf(buf, "%s (%d%% zoom)", oimage->title, xzoom);
+      snprintf(buf, BUFSIZ, "%s (%d%% zoom)", oimage->title, xzoom);
   }
   else {
     if (verbose)
       printf("  Zooming image X axis by %d%% and Y axis by %d%%...",
 	     xzoom, yzoom);
     if (changetitle)
-      sprintf(buf, "%s (X zoom %d%% Y zoom %d%%)", oimage->title,
+      snprintf(buf, BUFSIZ, "%s (X zoom %d%% Y zoom %d%%)", oimage->title,
 	    xzoom, yzoom);
   }
+  buf[BUFSIZ-1] = '\0';
   if (!changetitle)
     strcpy(buf,oimage->title);