diff --git a/wfile3.c b/wfile3.c
new file mode 100644
index 000000000..2c32fa803
--- /dev/null
+++ b/wfile3.c
@@ -0,0 +1,19 @@
+#include <stdio.h>
+
+void wfile3_(char *outfile, char buf[], int *nbytes0)
+{
+  int n,nbytes;
+  static int first=1;
+  static FILE *fp=NULL;
+
+  nbytes=*nbytes0;
+  fp = fopen(outfile,"wb");
+  if(fp == NULL) {
+    printf("Cannot create %s\n",outfile);
+    exit(0);
+  }
+
+  n=fwrite(buf,1,nbytes,fp);
+  fclose(fp);
+  return(n);
+}