#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*/ fprintf(int /*<<< orphan*/, char *, ...);
int /*<<< orphan*/ stdout;
void usage(char const *av) {
  fprintf(stdout, "Usage: %s [-h | OPTIONS ] <target address>\n", av);
  fprintf(stdout,
          "Available options:\n"
          "\t-v: enable verbose mode (default: disabled)\n"
          "\t-m <method>: scan method (default: SYN)\n"
          "\t-f: disable services fingerprinting (default: enabled)\n"
          "\t-d: disable random delay between ports (default: enabled)\n"
          "\t-s: disable random scan order of the ports (default: enabled)\n"
          "\t-n <number>: amount of ports to be scanned (default: 2014)\n"
          "\t-i <iface>: interface to use (default will be automatically "
          "detected)\n");
  fprintf(stdout, "Certain scanning methods require superuser privileges, in "
                  "order to be able to create raw sockets\n");
}


x86 assembly (clang, -O0):
<usage>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
mov    0x2ebd(%rip),%rax
mov    (%rax),%edi
mov    -0x8(%rbp),%rdx
lea    0xed0(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2ea2(%rip),%rax
mov    (%rax),%edi
lea    0xee5(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e8b(%rip),%rax
mov    (%rax),%edi
lea    0x106d(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<usage>:
push   %rbx
mov    %rdi,%rdx
mov    0x2ec5(%rip),%rbx
mov    (%rbx),%edi
lea    0xedc(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xef8(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0x1087(%rip),%rsi
xor    %eax,%eax
pop    %rbx
jmp    1030 <fprintf@plt>

LLVM IR (-O0):
@stdout = global i32 0
@.str = [44 x i8] c"Usage: %s [-h | OPTIONS ] <target address>\0A\00"
@.str.1 = [415 x i8] c"Available options:\0A\09-v: enable verbose mode (default: disabled)\0A\09-m <method>: scan method (default: SYN)\0A\09-f: disable services fingerprinting (default: enabled)\0A\09-d: disable random delay between ports (default: enabled)\0A\09-s: disable random scan order of the ports (default: enabled)\0A\09-n <number>: amount of ports to be scanned (default: 2014)\0A\09-i <iface>: interface to use (default will be automatically detected)\0A\00"
@.str.2 = [98 x i8] c"Certain scanning methods require superuser privileges, in order to be able to create raw sockets\0A\00"
define void @usage(i8* %0) {
%2 = alloca i8*
store i8* %0, i8** %2
%3 = load i32, i32* @stdout
%4 = load i8*, i8** %2
%5 = call i32 (i32, i8*, ...) @fprintf(i32 %3, i8* getelementptr inbounds ([44 x i8], [44 x i8]* @.str, i64 0, i64 0), i8* %4)
%6 = load i32, i32* @stdout
%7 = call i32 (i32, i8*, ...) @fprintf(i32 %6, i8* getelementptr inbounds ([415 x i8], [415 x i8]* @.str.1, i64 0, i64 0))
%8 = load i32, i32* @stdout
%9 = call i32 (i32, i8*, ...) @fprintf(i32 %8, i8* getelementptr inbounds ([98 x i8], [98 x i8]* @.str.2, i64 0, i64 0))
ret void
}

LLVM IR (-O2):
@stdout = global i32 0
@.str = [44 x i8] c"Usage: %s [-h | OPTIONS ] <target address>\0A\00"
@.str.1 = [415 x i8] c"Available options:\0A\09-v: enable verbose mode (default: disabled)\0A\09-m <method>: scan method (default: SYN)\0A\09-f: disable services fingerprinting (default: enabled)\0A\09-d: disable random delay between ports (default: enabled)\0A\09-s: disable random scan order of the ports (default: enabled)\0A\09-n <number>: amount of ports to be scanned (default: 2014)\0A\09-i <iface>: interface to use (default will be automatically detected)\0A\00"
@.str.2 = [98 x i8] c"Certain scanning methods require superuser privileges, in order to be able to create raw sockets\0A\00"
define void @usage(i8* %0) {
%2 = load i32, i32* @stdout
%3 = tail call i32 (i32, i8*, ...) @fprintf(i32 %2, i8* getelementptr inbounds ([44 x i8], [44 x i8]* @.str, i64 0, i64 0), i8* %0)
%4 = load i32, i32* @stdout
%5 = tail call i32 (i32, i8*, ...) @fprintf(i32 %4, i8* getelementptr inbounds ([415 x i8], [415 x i8]* @.str.1, i64 0, i64 0))
%6 = load i32, i32* @stdout
%7 = tail call i32 (i32, i8*, ...) @fprintf(i32 %6, i8* getelementptr inbounds ([98 x i8], [98 x i8]* @.str.2, i64 0, i64 0))
ret void
}