#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*/ stderr;
void usage(char *s) {
  static char *usage_text =
      " Receive Messages sent by can_send -t10\n The program must be started "
      "before can_send\n-e   - expect messages in extended message format.\n-d "
      "  - debug On\n-b baudrate (Standard 125)\n-D dev use "
      "/dev/dev/{can0,can1,can2,can3} (real nodes, std: can1)\n      special "
      "effect with -D stdin\n-V   - show version\n\n";
  fprintf(stderr, "usage: %s options\n", s);
  fprintf(stderr, usage_text);
}


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    0xffe(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2ea2(%rip),%rax
mov    (%rax),%edi
mov    0x2ee1(%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    0x100a(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xecc(%rip),%rsi
xor    %eax,%eax
pop    %rbx
jmp    1030 <fprintf@plt>

LLVM IR (-O0):
@usage.usage_text = internal global i8* getelementptr inbounds ([302 x i8], [302 x i8]* @.str, i32 0, i32 0)
@.str = [302 x i8] c" Receive Messages sent by can_send -t10\0A The program must be started before can_send\0A-e - expect messages in extended message format.\0A-d - debug On\0A-b baudrate (Standard 125)\0A-D dev use /dev/dev/{can0,can1,can2,can3} (real nodes, std: can1)\0A special effect with -D stdin\0A-V - show version\0A\0A\00"
@stderr = global i32 0
@.str.1 = [19 x i8] c"usage: %s options\0A\00"
define void @usage(i8* %0) {
%2 = alloca i8*
store i8* %0, i8** %2
%3 = load i32, i32* @stderr
%4 = load i8*, i8** %2
%5 = call i32 (i32, i8*, ...) @fprintf(i32 %3, i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.1, i64 0, i64 0), i8* %4)
%6 = load i32, i32* @stderr
%7 = load i8*, i8** @usage.usage_text
%8 = call i32 (i32, i8*, ...) @fprintf(i32 %6, i8* %7)
ret void
}

LLVM IR (-O2):
@.str = [302 x i8] c" Receive Messages sent by can_send -t10\0A The program must be started before can_send\0A-e - expect messages in extended message format.\0A-d - debug On\0A-b baudrate (Standard 125)\0A-D dev use /dev/dev/{can0,can1,can2,can3} (real nodes, std: can1)\0A special effect with -D stdin\0A-V - show version\0A\0A\00"
@stderr = global i32 0
@.str.1 = [19 x i8] c"usage: %s options\0A\00"
define void @usage(i8* %0) {
%2 = load i32, i32* @stderr
%3 = tail call i32 (i32, i8*, ...) @fprintf(i32 %2, i8* getelementptr inbounds ([19 x i8], [19 x i8]* @.str.1, i64 0, i64 0), i8* %0)
%4 = load i32, i32* @stderr
%5 = tail call i32 (i32, i8*, ...) @fprintf(i32 %4, i8* getelementptr inbounds ([302 x i8], [302 x i8]* @.str, i64 0, i64 0))
ret void
}