#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);
int /*<<< orphan*/ printf(char *);
void show_usage(void) {
  printf("Usage: telnetd [-p port] [-i interface] [-l loginprogram] [-d]\n");
  printf("\n");
  printf("   -p port          specify the tcp port to connect to\n");
  printf("   -i interface     specify the network interface to listen on\n");
  printf("                    (default: all interfaces)\n");
  printf("   -l loginprogram  program started by the server\n");
  printf("   -d               daemonize\n");
  printf("\n");
  exit(1);
}


x86 assembly (clang, -O0):
<show_usage>:
push   %rbp
mov    %rsp,%rbp
lea    0xed5(%rip),%rdi
call   1030 <printf@plt>
lea    0xfae(%rip),%rdi
call   1030 <printf@plt>
lea    0xefd(%rip),%rdi
call   1030 <printf@plt>
lea    0xf29(%rip),%rdi
call   1030 <printf@plt>
lea    0xf5d(%rip),%rdi
call   1030 <printf@plt>
lea    0xf80(%rip),%rdi
call   1030 <printf@plt>
lea    0xfa7(%rip),%rdi
call   1030 <printf@plt>
lea    0xf66(%rip),%rdi
call   1030 <printf@plt>
mov    $0x1,%edi
call   1040 <exit@plt>

x86 assembly (clang, -O2):
<show_usage>:
push   %rax
lea    0xec8(%rip),%rdi
call   1040 <puts@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
lea    0xef1(%rip),%rdi
call   1040 <puts@plt>
lea    0xf1c(%rip),%rdi
call   1040 <puts@plt>
lea    0xf4f(%rip),%rdi
call   1040 <puts@plt>
lea    0xf71(%rip),%rdi
call   1040 <puts@plt>
lea    0xf97(%rip),%rdi
call   1040 <puts@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
mov    $0x1,%edi
call   1050 <exit@plt>

LLVM IR (-O0):
@.str = [64 x i8] c"Usage: telnetd [-p port] [-i interface] [-l loginprogram] [-d]\0A\00"
@.str.1 = [2 x i8] c"\0A\00"
@.str.2 = [56 x i8] c" -p port specify the tcp port to connect to\0A\00"
@.str.3 = [64 x i8] c" -i interface specify the network interface to listen on\0A\00"
@.str.4 = [47 x i8] c" (default: all interfaces)\0A\00"
@.str.5 = [51 x i8] c" -l loginprogram program started by the server\0A\00"
@.str.6 = [31 x i8] c" -d daemonize\0A\00"
define void @show_usage() {
%1 = call i32 @printf(i8* getelementptr inbounds ([64 x i8], [64 x i8]* @.str, i64 0, i64 0))
%2 = call i32 @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i64 0, i64 0))
%3 = call i32 @printf(i8* getelementptr inbounds ([56 x i8], [56 x i8]* @.str.2, i64 0, i64 0))
%4 = call i32 @printf(i8* getelementptr inbounds ([64 x i8], [64 x i8]* @.str.3, i64 0, i64 0))
%5 = call i32 @printf(i8* getelementptr inbounds ([47 x i8], [47 x i8]* @.str.4, i64 0, i64 0))
%6 = call i32 @printf(i8* getelementptr inbounds ([51 x i8], [51 x i8]* @.str.5, i64 0, i64 0))
%7 = call i32 @printf(i8* getelementptr inbounds ([31 x i8], [31 x i8]* @.str.6, i64 0, i64 0))
%8 = call i32 @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.1, i64 0, i64 0))
%9 = call i32 @exit(i32 1)
unreachable
}

LLVM IR (-O2):
@str = [63 x i8] c"Usage: telnetd [-p port] [-i interface] [-l loginprogram] [-d]\00"
@str.7 = [55 x i8] c" -p port specify the tcp port to connect to\00"
@str.8 = [63 x i8] c" -i interface specify the network interface to listen on\00"
@str.9 = [46 x i8] c" (default: all interfaces)\00"
@str.10 = [50 x i8] c" -l loginprogram program started by the server\00"
@str.11 = [30 x i8] c" -d daemonize\00"
define void @show_usage() {
%1 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([63 x i8], [63 x i8]* @str, i64 0, i64 0))
%2 = tail call i32 @putchar(i32 10)
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([55 x i8], [55 x i8]* @str.7, i64 0, i64 0))
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([63 x i8], [63 x i8]* @str.8, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([46 x i8], [46 x i8]* @str.9, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([50 x i8], [50 x i8]* @str.10, i64 0, i64 0))
%7 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([30 x i8], [30 x i8]* @str.11, i64 0, i64 0))
%8 = tail call i32 @putchar(i32 10)
%9 = tail call i32 @exit(i32 1)
unreachable
}