--- a/tools/libgfx.c	Mon Jan 13 23:20:56 2020 +0200
+++ b/tools/libgfx.c	Mon Jan 13 23:27:01 2020 +0200
@@ -1177,7 +1177,7 @@
             goto error;
         }
 
-        dmMemset(palette, 0, PNG_MAX_PALETTE_LENGTH * sizeof(png_color));
+        memset(palette, 0, PNG_MAX_PALETTE_LENGTH * sizeof(png_color));
 
         for (int i = 0; i < img->pal->ncolors; i++)
         {
@@ -1565,7 +1565,7 @@
     pcx.fp     = fp;
 
     // Create PCX header
-    dmMemset(&hdr, 0, sizeof(hdr));
+    memset(&hdr, 0, sizeof(hdr));
     if (spec.pixfmt == DM_PIXFMT_PALETTE ||
         spec.pixfmt == DM_PIXFMT_GRAYSCALE)
     {
@@ -1891,7 +1891,7 @@
                 break;
 
             case 1:
-                dmMemset(dp, 0, img->width);
+                memset(dp, 0, img->width);
 
                 for (int nplane = 0; nplane < hdr.nplanes; nplane++)
                 {
@@ -2235,7 +2235,7 @@
     if (iff->idsig == IFF_ID_ACBM)
     {
         // Initialize destination image data
-        dmMemset(img->data, 0, img->size);
+        memset(img->data, 0, img->size);
 
         for (int plane = 0; plane < nplanes; plane++)
         {
@@ -2267,7 +2267,7 @@
         if (iff->idsig == IFF_ID_ILBM)
         {
             // Clear planar decoding buffer
-            dmMemset(dp, 0, img->pitch);
+            memset(dp, 0, img->pitch);
 
             for (int plane = 0; plane < nplanes; plane++)
             {
@@ -2332,7 +2332,7 @@
     BOOL parsed = FALSE;
     int res = DMERR_OK;
 
-    dmMemset(&iff, 0, sizeof(iff));
+    memset(&iff, 0, sizeof(iff));
 
     // Read IFF FORM header
     if ((res = dmReadIFFChunkHdr(fp, &chunk)) != DMERR_OK)
@@ -2912,7 +2912,7 @@
         for (int plane = 0; plane < iff.bmhd.nplanes; plane++)
         {
             // Encode bitplane
-            dmMemset(buf, 0, bufLen);
+            memset(buf, 0, bufLen);
 
             for (int yc = 0; yc < img->height * spec->scaleY; yc++)
             {
@@ -2943,7 +2943,7 @@
                 for (int plane = 0; plane < spec->nplanes; plane++)
                 {
                     // Encode bitplane
-                    dmMemset(buf, 0, bufLen);
+                    memset(buf, 0, bufLen);
 
                     for (int xc = 0; xc < img->width * spec->scaleX; xc++)
                         buf[xc / 8] |= ((sp[xc / spec->scaleX] >> plane) & 1) << (7 - (xc & 7));
@@ -2961,7 +2961,7 @@
                 // Write mask data, if any
                 if (iff.bmhd.masking == IFF_MASK_HAS_MASK)
                 {
-                    dmMemset(buf, 0, bufLen);
+                    memset(buf, 0, bufLen);
 
                     for (int xc = 0; xc < img->width * spec->scaleX; xc++)
                         buf[xc / 8] |= (sp[xc / spec->scaleX] == img->pal->ctransp) << (7 - (xc & 7));