add ability to read gzipped zdab files

1 files changed, 2 insertions, 1 deletions

diff --git a/src/zebra.h b/src/zebra.h
index 321befa..16b120f 100644
--- a/src/zebra.h
+++ b/src/zebra.h
@@ -54,6 +54,7 @@
 #include <stdio.h> /* for FILE */
 #include <stdlib.h> /* for size_t */
 #include <stdint.h> /* for uint8_t, etc. */
+#include <zlib.h> /* for gzFile */
 
 /* Maximum number of links in a bank.
  *
@@ -131,7 +132,7 @@ typedef struct zebraBank {
 } zebraBank;
 
 typedef struct zebraFile {
-    FILE *f;
+    gzFile f;
     /* Size of the current logical record in bytes. */
     size_t lr_size;
     /* Buffer used to read in the zebra file. */