main: Cast function type

1 files changed, 3 insertions, 1 deletions

diff --git a/src/gzip.h b/src/gzip.h
index 73c8340..7c81463 100644
--- a/src/gzip.h
+++ b/src/gzip.h
@@ -22,8 +22,10 @@
 
 struct opkg_opk_gzip;
 
+typedef int (opkg_opk_gzip_read_func)(void *, char **, size_t *);
+
 struct opkg_opk_gzip *
-opkg_opk_gzip_init(int (*read)(void *, char **, size_t *), void *user_data);
+opkg_opk_gzip_init(opkg_opk_gzip_read_func *read, void *user_data);
 
 int
 opkg_opk_gzip_read(struct opkg_opk_gzip *gzip, void *record);