Defined in 2 files as a macro:

• libkern/zlib/zutil.h, line 109 (as a macro)
• libkern/zlib/zutil.h, line 111 (as a macro)

Referenced in 2 files:

• libkern/zlib/deflate.c, line 237
• libkern/zlib/gzio.c, line 183