#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(void) {
  printf("zattach - Zigbee Access Point initialization\n");
  printf("Usage:\n");
  printf("\tzattach [-n] [-v] [-p] [-t timeout] [-b baudrate] TTY\n");
  printf("\tOptions:\t-n\tDo not detach process\n");
  printf("\t        \t-p\tPrint child process ID\n");
  printf("\t        \t-t NUM\tSet maximum timeout\n");
  printf("\t        \t-b RATE\tSet UART baud rate\n");
  printf("\t        \t-v\tIncrease verbosity (may be repeated)\n");
  exit(0);
}


x86 assembly (clang, -O0):
<usage>:
push   %rbp
mov    %rsp,%rbp
lea    0xed5(%rip),%rdi
call   1030 <printf@plt>
lea    0xef7(%rip),%rdi
call   1030 <printf@plt>
lea    0xef3(%rip),%rdi
call   1030 <printf@plt>
lea    0xf1f(%rip),%rdi
call   1030 <printf@plt>
lea    0xf37(%rip),%rdi
call   1030 <printf@plt>
lea    0xf50(%rip),%rdi
call   1030 <printf@plt>
lea    0xf6a(%rip),%rdi
call   1030 <printf@plt>
lea    0xf84(%rip),%rdi
call   1030 <printf@plt>
xor    %edi,%edi
call   1040 <exit@plt>

x86 assembly (clang, -O2):
<usage>:
push   %rax
lea    0xed8(%rip),%rdi
call   1030 <puts@plt>
lea    0xef9(%rip),%rdi
call   1030 <puts@plt>
lea    0xef4(%rip),%rdi
call   1030 <puts@plt>
lea    0xf1f(%rip),%rdi
call   1030 <puts@plt>
lea    0xf36(%rip),%rdi
call   1030 <puts@plt>
lea    0xf4e(%rip),%rdi
call   1030 <puts@plt>
lea    0xf67(%rip),%rdi
call   1030 <puts@plt>
lea    0xf80(%rip),%rdi
call   1030 <puts@plt>
xor    %edi,%edi
call   1040 <exit@plt>

LLVM IR (-O0):
@.str = [46 x i8] c"zattach - Zigbee Access Point initialization\0A\00"
@.str.1 = [8 x i8] c"Usage:\0A\00"
@.str.2 = [56 x i8] c"\09zattach [-n] [-v] [-p] [-t timeout] [-b baudrate] TTY\0A\00"
@.str.3 = [36 x i8] c"\09Options:\09-n\09Do not detach process\0A\00"
@.str.4 = [37 x i8] c"\09 \09-p\09Print child process ID\0A\00"
@.str.5 = [38 x i8] c"\09 \09-t NUM\09Set maximum timeout\0A\00"
@.str.6 = [38 x i8] c"\09 \09-b RATE\09Set UART baud rate\0A\00"
@.str.7 = [51 x i8] c"\09 \09-v\09Increase verbosity (may be repeated)\0A\00"
define void @usage() {
%1 = call i32 @printf(i8* getelementptr inbounds ([46 x i8], [46 x i8]* @.str, i64 0, i64 0))
%2 = call i32 @printf(i8* getelementptr inbounds ([8 x i8], [8 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 ([36 x i8], [36 x i8]* @.str.3, i64 0, i64 0))
%5 = call i32 @printf(i8* getelementptr inbounds ([37 x i8], [37 x i8]* @.str.4, i64 0, i64 0))
%6 = call i32 @printf(i8* getelementptr inbounds ([38 x i8], [38 x i8]* @.str.5, i64 0, i64 0))
%7 = call i32 @printf(i8* getelementptr inbounds ([38 x i8], [38 x i8]* @.str.6, i64 0, i64 0))
%8 = call i32 @printf(i8* getelementptr inbounds ([51 x i8], [51 x i8]* @.str.7, i64 0, i64 0))
%9 = call i32 @exit(i32 0)
unreachable
}

LLVM IR (-O2):
@str = [45 x i8] c"zattach - Zigbee Access Point initialization\00"
@str.8 = [7 x i8] c"Usage:\00"
@str.9 = [55 x i8] c"\09zattach [-n] [-v] [-p] [-t timeout] [-b baudrate] TTY\00"
@str.10 = [35 x i8] c"\09Options:\09-n\09Do not detach process\00"
@str.11 = [36 x i8] c"\09 \09-p\09Print child process ID\00"
@str.12 = [37 x i8] c"\09 \09-t NUM\09Set maximum timeout\00"
@str.13 = [37 x i8] c"\09 \09-b RATE\09Set UART baud rate\00"
@str.14 = [50 x i8] c"\09 \09-v\09Increase verbosity (may be repeated)\00"
define void @usage() {
%1 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([45 x i8], [45 x i8]* @str, i64 0, i64 0))
%2 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([7 x i8], [7 x i8]* @str.8, i64 0, i64 0))
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([55 x i8], [55 x i8]* @str.9, i64 0, i64 0))
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([35 x i8], [35 x i8]* @str.10, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([36 x i8], [36 x i8]* @str.11, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([37 x i8], [37 x i8]* @str.12, i64 0, i64 0))
%7 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([37 x i8], [37 x i8]* @str.13, i64 0, i64 0))
%8 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([50 x i8], [50 x i8]* @str.14, i64 0, i64 0))
%9 = tail call i32 @exit(i32 0)
unreachable
}