z_off64_t pos;
};
ZEXTERN int ZEXPORT gzgetc_ OF((gzFile file));
-#define gzgetc(g) \
- ((g)->have ? ((g)->have--, (g)->pos++, *((g)->next)++) : gzgetc_(g))
+#ifdef Z_PREFIX_SET
+# undef z_gzgetc
+# define z_gzgetc(g) \
+ ((g)->have ? ((g)->have--, (g)->pos++, *((g)->next)++) : gzgetc_(g))
+#else
+# define gzgetc(g) \
+ ((g)->have ? ((g)->have--, (g)->pos++, *((g)->next)++) : gzgetc_(g))
+#endif
/* provide 64-bit offset functions if _LARGEFILE64_SOURCE defined, and/or
* change the regular functions to 64 bits if _FILE_OFFSET_BITS is 64 (if