#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 *);
int /*<<< orphan*/ show_parameter();
void usage(void) {
  printf("usage: nvram config tools\n");
  printf("nvram parameters: \n");
  show_parameter();
  printf("	get	: nvram_cfg get wifimode\n");
  printf("	set	: nvram_cfg set wifimode=2g\n");
  printf("	show: show nvram data\n");
  printf("	reset: reset nvram data\n");
  printf("\n");
  exit(1);
}


x86 assembly (clang, -O0):
<usage>:
push   %rbp
mov    %rsp,%rbp
lea    0xec5(%rip),%rdi
call   1030 <printf@plt>
lea    0xed4(%rip),%rdi
call   1030 <printf@plt>
mov    $0x0,%al
call   1040 <show_parameter@plt>
lea    0xed5(%rip),%rdi
call   1030 <printf@plt>
lea    0xee8(%rip),%rdi
call   1030 <printf@plt>
lea    0xefe(%rip),%rdi
call   1030 <printf@plt>
lea    0xf0a(%rip),%rdi
call   1030 <printf@plt>
lea    0xea3(%rip),%rdi
call   1030 <printf@plt>
mov    $0x1,%edi
call   1050 <exit@plt>

x86 assembly (clang, -O2):
<usage>:
push   %rax
lea    0xeb8(%rip),%rdi
call   1040 <puts@plt>
lea    0xec6(%rip),%rdi
call   1040 <puts@plt>
xor    %eax,%eax
call   1050 <show_parameter@plt>
lea    0xec6(%rip),%rdi
call   1040 <puts@plt>
lea    0xed8(%rip),%rdi
call   1040 <puts@plt>
lea    0xeed(%rip),%rdi
call   1040 <puts@plt>
lea    0xef8(%rip),%rdi
call   1040 <puts@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
mov    $0x1,%edi
call   1060 <exit@plt>

LLVM IR (-O0):
@.str = [27 x i8] c"usage: nvram config tools\0A\00"
@.str.1 = [20 x i8] c"nvram parameters: \0A\00"
@.str.2 = [31 x i8] c"\09get\09: nvram_cfg get wifimode\0A\00"
@.str.3 = [34 x i8] c"\09set\09: nvram_cfg set wifimode=2g\0A\00"
@.str.4 = [24 x i8] c"\09show: show nvram data\0A\00"
@.str.5 = [26 x i8] c"\09reset: reset nvram data\0A\00"
@.str.6 = [2 x i8] c"\0A\00"
define void @usage() {
%1 = call i32 @printf(i8* getelementptr inbounds ([27 x i8], [27 x i8]* @.str, i64 0, i64 0))
%2 = call i32 @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.1, i64 0, i64 0))
%3 = call i32 (...) @show_parameter()
%4 = call i32 @printf(i8* getelementptr inbounds ([31 x i8], [31 x i8]* @.str.2, i64 0, i64 0))
%5 = call i32 @printf(i8* getelementptr inbounds ([34 x i8], [34 x i8]* @.str.3, i64 0, i64 0))
%6 = call i32 @printf(i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str.4, i64 0, i64 0))
%7 = call i32 @printf(i8* getelementptr inbounds ([26 x i8], [26 x i8]* @.str.5, i64 0, i64 0))
%8 = call i32 @printf(i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.6, i64 0, i64 0))
%9 = call i32 @exit(i32 1)
unreachable
}

LLVM IR (-O2):
@str = [26 x i8] c"usage: nvram config tools\00"
@str.7 = [19 x i8] c"nvram parameters: \00"
@str.8 = [30 x i8] c"\09get\09: nvram_cfg get wifimode\00"
@str.9 = [33 x i8] c"\09set\09: nvram_cfg set wifimode=2g\00"
@str.10 = [23 x i8] c"\09show: show nvram data\00"
@str.11 = [25 x i8] c"\09reset: reset nvram data\00"
define void @usage() {
%1 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([26 x i8], [26 x i8]* @str, i64 0, i64 0))
%2 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([19 x i8], [19 x i8]* @str.7, i64 0, i64 0))
%3 = tail call i32 (...) @show_parameter()
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([30 x i8], [30 x i8]* @str.8, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([33 x i8], [33 x i8]* @str.9, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([23 x i8], [23 x i8]* @str.10, i64 0, i64 0))
%7 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([25 x i8], [25 x i8]* @str.11, i64 0, i64 0))
%8 = tail call i32 @putchar(i32 10)
%9 = tail call i32 @exit(i32 1)
unreachable
}