#define NULL ((void *)0)
typedef unsigned long size_t; // Customize by platform.
typedef long intptr_t;
typedef unsigned long uintptr_t;
typedef long scalar_t__; // Either arithmetic or pointer type.
/* By default, we understand bool (as a convenience). */
typedef int bool;
#define false 0
#define true 1

/* Forward declarations */

/* Type definitions */

/* Variables and functions */
int /*<<< orphan*/ printf(char *);
int /*<<< orphan*/ system(char *);
int main() {
  printf("This is your present working directory:\n");
  system("cd");
  printf("This is your path:\n");
  system("PATH");
  printf("This is the date:\n");
  system("date /T");
  printf("This is a directory listing:\n");
  system("dir");
  printf("This is a pause:\n");
  system("timeout 5");
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
lea    0xed5(%rip),%rdi
call   1040 <printf@plt>
lea    0xef2(%rip),%rdi
call   1030 <system@plt>
lea    0xee9(%rip),%rdi
call   1040 <printf@plt>
lea    0xef1(%rip),%rdi
call   1030 <system@plt>
lea    0xeea(%rip),%rdi
call   1040 <printf@plt>
lea    0xef1(%rip),%rdi
call   1030 <system@plt>
lea    0xeed(%rip),%rdi
call   1040 <printf@plt>
lea    0xeff(%rip),%rdi
call   1030 <system@plt>
lea    0xef7(%rip),%rdi
call   1040 <printf@plt>
lea    0xefd(%rip),%rdi
call   1030 <system@plt>
xor    %eax,%eax
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
lea    0xef6(%rip),%rdi
call   1030 <puts@plt>
lea    0xecc(%rip),%rdi
call   1040 <system@plt>
lea    0xf06(%rip),%rdi
call   1030 <puts@plt>
lea    0xeb7(%rip),%rdi
call   1040 <system@plt>
lea    0xf01(%rip),%rdi
call   1030 <puts@plt>
lea    0xea4(%rip),%rdi
call   1040 <system@plt>
lea    0xefb(%rip),%rdi
call   1030 <puts@plt>
lea    0xe94(%rip),%rdi
call   1040 <system@plt>
lea    0xf00(%rip),%rdi
call   1030 <puts@plt>
lea    0xe80(%rip),%rdi
call   1040 <system@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [41 x i8] c"This is your present working directory:\0A\00"
@.str.1 = [3 x i8] c"cd\00"
@.str.2 = [20 x i8] c"This is your path:\0A\00"
@.str.3 = [5 x i8] c"PATH\00"
@.str.4 = [19 x i8] c"This is the date:\0A\00"
@.str.5 = [8 x i8] c"date /T\00"
@.str.6 = [30 x i8] c"This is a directory listing:\0A\00"
@.str.7 = [4 x i8] c"dir\00"
@.str.8 = [18 x i8] c"This is a pause:\0A\00"
@.str.9 = [10 x i8] c"timeout 5\00"
define i32 @main() {
%1 = call i32 @printf(i8* getelementptr inbounds ([41 x i8], [41 x i8]* @.str, i64 0, i64 0))
%2 = call i32 @system(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0))
%3 = call i32 @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.2, i64 0, i64 0))
%4 = call i32 @system(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.3, i64 0, i64 0))
%5 = call i32 @printf(i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.4, i64 0, i64 0))
%6 = call i32 @system(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.5, i64 0, i64 0))
%7 = call i32 @printf(i8* getelementptr inbounds ([30 x i8], [30 x i8]* @.str.6, i64 0, i64 0))
%8 = call i32 @system(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.7, i64 0, i64 0))
%9 = call i32 @printf(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str.8, i64 0, i64 0))
%10 = call i32 @system(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.9, i64 0, i64 0))
ret i32 0
}

LLVM IR (-O2):
@.str.1 = [3 x i8] c"cd\00"
@.str.3 = [5 x i8] c"PATH\00"
@.str.5 = [8 x i8] c"date /T\00"
@.str.7 = [4 x i8] c"dir\00"
@.str.9 = [10 x i8] c"timeout 5\00"
@str = [40 x i8] c"This is your present working directory:\00"
@str.10 = [19 x i8] c"This is your path:\00"
@str.11 = [18 x i8] c"This is the date:\00"
@str.12 = [29 x i8] c"This is a directory listing:\00"
@str.13 = [17 x i8] c"This is a pause:\00"
define i32 @main() {
%1 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([40 x i8], [40 x i8]* @str, i64 0, i64 0))
%2 = tail call i32 @system(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0))
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([19 x i8], [19 x i8]* @str.10, i64 0, i64 0))
%4 = tail call i32 @system(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.3, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([18 x i8], [18 x i8]* @str.11, i64 0, i64 0))
%6 = tail call i32 @system(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.5, i64 0, i64 0))
%7 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([29 x i8], [29 x i8]* @str.12, i64 0, i64 0))
%8 = tail call i32 @system(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.7, i64 0, i64 0))
%9 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([17 x i8], [17 x i8]* @str.13, i64 0, i64 0))
%10 = tail call i32 @system(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.9, i64 0, i64 0))
ret i32 0
}