nbc added

1 files changed, 13 insertions, 0 deletions

diff --git a/src/nbc/gzip.c b/src/nbc/gzip.c
new file mode 100644
index 0000000..d2bf98f
--- /dev/null
+++ b/src/nbc/gzip.c
@@ -0,0 +1,13 @@
+#include <zlib.h>
+
+int
+gzreadoffset(gzFile file, voidp buf, unsigned offset, unsigned len)
+{
+	return gzread(file, buf + offset, len);
+}
+
+int
+gzwriteoffset(gzFile file, voidpc buf, unsigned offset, unsigned len)
+{
+	return gzwrite(file, buf + offset, len);
+}