 --- 7z/C/Util/7z/7zMain.c
 +++ 7z/C/Util/7z/7zMain.c
-@@ -372,7 +372,7 @@
+@@ -5,6 +5,7 @@
+
+ #include <stdio.h>
+ #include <string.h>
++#include <unistd.h>
+
+ #include "../../CpuArch.h"
+
+@@ -372,7 +373,7 @@
  
  // #define NUM_PARENTS_MAX 128
  

 {
   ISzAlloc allocImp;
   ISzAlloc allocTempImp;
@@ -390,7 +390,7 @@
   if (numargs == 1)
   {
     Print(

       "<Commands>\n"
       "  e: Extract files from archive (without using directory names)\n"
       "  l: List contents of archive\n"
@@ -399,11 +400,12 @@
     return 0;
   }
 
