Contents of the "win32" sub-archive for UnZip 5.3 and later:

  Contents      this file
  Makefile      makefile for UnZip using MS Visual C++
  Makefile.wat  makefile for UnZip using Watcom C/C++
  Makefile.emx  makefile for UnZip using emx+gcc 0.9c with rsxnt 1.3
  crc_i386.asm  32-bit Intel-assembler version of CRC routine
  w32cfg.h      Win32-specific configuration, included by unzpriv.h
  win32.c       Win32-specific support routines
  nt.c          WinNT-specific support routines (ACLs/security descriptors)
  nt.h          WinNT-specific support header
  rsxntwin.h    supplement header for RSXNT, fills holes in their <windows.h>