#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 current working directory:\n");
  system("cd");
  system("clrscr");
  system("echo this is text");
  system("truename");
  system("msd");
  system("help");
  system("ping 127.0.0.1");
  system("DONE!");
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
movl   $0x0,-0x4(%rbp)
lea    0xeca(%rip),%rdi
call   1040 <printf@plt>
lea    0xee7(%rip),%rdi
call   1030 <system@plt>
lea    0xede(%rip),%rdi
call   1030 <system@plt>
lea    0xed9(%rip),%rdi
call   1030 <system@plt>
lea    0xedf(%rip),%rdi
call   1030 <system@plt>
lea    0xedc(%rip),%rdi
call   1030 <system@plt>
lea    0xed4(%rip),%rdi
call   1030 <system@plt>
lea    0xecd(%rip),%rdi
call   1030 <system@plt>
lea    0xed0(%rip),%rdi
call   1030 <system@plt>
xor    %eax,%eax
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rax
lea    0xf1b(%rip),%rdi
call   1030 <puts@plt>
lea    0xecc(%rip),%rdi
call   1040 <system@plt>
lea    0xec3(%rip),%rdi
call   1040 <system@plt>
lea    0xebe(%rip),%rdi
call   1040 <system@plt>
lea    0xec4(%rip),%rdi
call   1040 <system@plt>
lea    0xec1(%rip),%rdi
call   1040 <system@plt>
lea    0xeb9(%rip),%rdi
call   1040 <system@plt>
lea    0xeb2(%rip),%rdi
call   1040 <system@plt>
lea    0xeb5(%rip),%rdi
call   1040 <system@plt>
xor    %eax,%eax
pop    %rcx
ret

LLVM IR (-O0):
@.str = [41 x i8] c"This is your current working directory:\0A\00"
@.str.1 = [3 x i8] c"cd\00"
@.str.2 = [7 x i8] c"clrscr\00"
@.str.3 = [18 x i8] c"echo this is text\00"
@.str.4 = [9 x i8] c"truename\00"
@.str.5 = [4 x i8] c"msd\00"
@.str.6 = [5 x i8] c"help\00"
@.str.7 = [15 x i8] c"ping 127.0.0.1\00"
@.str.8 = [6 x i8] c"DONE!\00"
define i32 @main() {
%1 = alloca i32
store i32 0, i32* %1
%2 = call i32 @printf(i8* getelementptr inbounds ([41 x i8], [41 x i8]* @.str, i64 0, i64 0))
%3 = call i32 @system(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.1, i64 0, i64 0))
%4 = call i32 @system(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.2, i64 0, i64 0))
%5 = call i32 @system(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str.3, i64 0, i64 0))
%6 = call i32 @system(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.4, i64 0, i64 0))
%7 = call i32 @system(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.5, i64 0, i64 0))
%8 = call i32 @system(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.6, i64 0, i64 0))
%9 = call i32 @system(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.7, i64 0, i64 0))
%10 = call i32 @system(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.8, i64 0, i64 0))
ret i32 0
}

LLVM IR (-O2):
@.str.1 = [3 x i8] c"cd\00"
@.str.2 = [7 x i8] c"clrscr\00"
@.str.3 = [18 x i8] c"echo this is text\00"
@.str.4 = [9 x i8] c"truename\00"
@.str.5 = [4 x i8] c"msd\00"
@.str.6 = [5 x i8] c"help\00"
@.str.7 = [15 x i8] c"ping 127.0.0.1\00"
@.str.8 = [6 x i8] c"DONE!\00"
@str = [40 x i8] c"This is your current working directory:\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 @system(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @.str.2, i64 0, i64 0))
%4 = tail call i32 @system(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @.str.3, i64 0, i64 0))
%5 = tail call i32 @system(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.4, i64 0, i64 0))
%6 = tail call i32 @system(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.5, i64 0, i64 0))
%7 = tail call i32 @system(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.6, i64 0, i64 0))
%8 = tail call i32 @system(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str.7, i64 0, i64 0))
%9 = tail call i32 @system(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.8, i64 0, i64 0))
ret i32 0
}