MAX_MEM_LEVEL
if (memLevel < 1 || memLevel > MAX_MEM_LEVEL || method != DEFLATED ||
#if MAX_MEM_LEVEL >= 8
# define DEF_MEM_LEVEL MAX_MEM_LEVEL
#ifndef MAX_MEM_LEVEL
#if MAX_MEM_LEVEL >= 8
#define DEF_MEM_LEVEL MAX_MEM_LEVEL
if (memLevel < 1 || memLevel > MAX_MEM_LEVEL || method != Z_DEFLATED ||
#ifndef MAX_MEM_LEVEL