#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*/ fprintf(int /*<<< orphan*/, char *, ...);
int /*<<< orphan*/ stderr;
void print_usage(char *prg) {
  fprintf(stderr, "\nUsage: %s [options] tty\n\n", prg);
  fprintf(stderr, "Options: -o         (send open command 'O\\r')\n");
  fprintf(
      stderr,
      "         -l         (send listen only command 'L\\r', overrides -o)\n");
  fprintf(stderr, "         -c         (send close command 'C\\r')\n");
  fprintf(stderr, "         -f         (read status flags with 'F\\r' to reset "
                  "error states)\n");
  fprintf(stderr, "         -s <speed> (set CAN speed 0..8)\n");
  fprintf(stderr, "         -b <btr>   (set bit time register value)\n");
  fprintf(stderr, "         -d         (only detach line discipline)\n");
  fprintf(stderr, "         -w         (attach - wait for keypess - detach)\n");
  fprintf(stderr, "         -n <name>  (assign created netdevice name)\n");
  fprintf(stderr, "\nExamples:\n");
  fprintf(stderr, "slcan_attach -w -o -f -s6 -c /dev/ttyS1\n");
  fprintf(stderr, "slcan_attach /dev/ttyS1\n");
  fprintf(stderr, "slcan_attach -d /dev/ttyS1\n");
  fprintf(stderr, "slcan_attach -w -n can15 /dev/ttyS1\n");
  fprintf(stderr, "\n");
  exit(1);
}


x86 assembly (clang, -O0):
<print_usage>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
mov    0x2ead(%rip),%rax
mov    (%rax),%edi
mov    -0x8(%rbp),%rdx
lea    0xec0(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e92(%rip),%rax
mov    (%rax),%edi
lea    0xec4(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e7b(%rip),%rax
mov    (%rax),%edi
lea    0xedc(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e64(%rip),%rax
mov    (%rax),%edi
lea    0xf09(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e4d(%rip),%rax
mov    (%rax),%edi
lea    0xf22(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e36(%rip),%rax
mov    (%rax),%edi
lea    0xf55(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e1f(%rip),%rax
mov    (%rax),%edi
lea    0xf68(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e08(%rip),%rax
mov    (%rax),%edi
lea    0xf84(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2df1(%rip),%rax
mov    (%rax),%edi
lea    0xfa0(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2dda(%rip),%rax
mov    (%rax),%edi
lea    0xfc3(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2dc3(%rip),%rax
mov    (%rax),%edi
lea    0xfe1(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2dac(%rip),%rax
mov    (%rax),%edi
lea    0xfd6(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2d95(%rip),%rax
mov    (%rax),%edi
lea    0xfe8(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2d7e(%rip),%rax
mov    (%rax),%edi
lea    0xfea(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2d67(%rip),%rax
mov    (%rax),%edi
lea    0xfef(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2d50(%rip),%rax
mov    (%rax),%edi
lea    0xd80(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    $0x1,%edi
call   1040 <exit@plt>

x86 assembly (clang, -O2):
<print_usage>:
push   %rbx
mov    %rdi,%rdx
mov    0x2eb5(%rip),%rbx
mov    (%rbx),%edi
lea    0xecc(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xed7(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xef6(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf2a(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf4a(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf84(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf9e(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xfc1(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xfe4(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0x100e(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0x1033(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0x102f(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0x1048(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0x1051(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0x105d(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xdf5(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    $0x1,%edi
call   1040 <exit@plt>

LLVM IR (-O0):
@stderr = global i32 0
@.str = [27 x i8] c"\0AUsage: %s [options] tty\0A\0A\00"
@.str.1 = [47 x i8] c"Options: -o (send open command 'O\\r')\0A\00"
@.str.2 = [68 x i8] c" -l (send listen only command 'L\\r', overrides -o)\0A\00"
@.str.3 = [48 x i8] c" -c (send close command 'C\\r')\0A\00"
@.str.4 = [74 x i8] c" -f (read status flags with 'F\\r' to reset error states)\0A\00"
@.str.5 = [42 x i8] c" -s <speed> (set CAN speed 0..8)\0A\00"
@.str.6 = [51 x i8] c" -b <btr> (set bit time register value)\0A\00"
@.str.7 = [51 x i8] c" -d (only detach line discipline)\0A\00"
@.str.8 = [58 x i8] c" -w (attach - wait for keypess - detach)\0A\00"
@.str.9 = [53 x i8] c" -n <name> (assign created netdevice name)\0A\00"
@.str.10 = [12 x i8] c"\0AExamples:\0A\00"
@.str.11 = [41 x i8] c"slcan_attach -w -o -f -s6 -c /dev/ttyS1\0A\00"
@.str.12 = [25 x i8] c"slcan_attach /dev/ttyS1\0A\00"
@.str.13 = [28 x i8] c"slcan_attach -d /dev/ttyS1\0A\00"
@.str.14 = [37 x i8] c"slcan_attach -w -n can15 /dev/ttyS1\0A\00"
@.str.15 = [2 x i8] c"\0A\00"
define void @print_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 ([27 x i8], [27 x i8]* @.str, i64 0, i64 0), i8* %4)
%6 = load i32, i32* @stderr
%7 = call i32 (i32, i8*, ...) @fprintf(i32 %6, i8* getelementptr inbounds ([47 x i8], [47 x i8]* @.str.1, i64 0, i64 0))
%8 = load i32, i32* @stderr
%9 = call i32 (i32, i8*, ...) @fprintf(i32 %8, i8* getelementptr inbounds ([68 x i8], [68 x i8]* @.str.2, i64 0, i64 0))
%10 = load i32, i32* @stderr
%11 = call i32 (i32, i8*, ...) @fprintf(i32 %10, i8* getelementptr inbounds ([48 x i8], [48 x i8]* @.str.3, i64 0, i64 0))
%12 = load i32, i32* @stderr
%13 = call i32 (i32, i8*, ...) @fprintf(i32 %12, i8* getelementptr inbounds ([74 x i8], [74 x i8]* @.str.4, i64 0, i64 0))
%14 = load i32, i32* @stderr
%15 = call i32 (i32, i8*, ...) @fprintf(i32 %14, i8* getelementptr inbounds ([42 x i8], [42 x i8]* @.str.5, i64 0, i64 0))
%16 = load i32, i32* @stderr
%17 = call i32 (i32, i8*, ...) @fprintf(i32 %16, i8* getelementptr inbounds ([51 x i8], [51 x i8]* @.str.6, i64 0, i64 0))
%18 = load i32, i32* @stderr
%19 = call i32 (i32, i8*, ...) @fprintf(i32 %18, i8* getelementptr inbounds ([51 x i8], [51 x i8]* @.str.7, i64 0, i64 0))
%20 = load i32, i32* @stderr
%21 = call i32 (i32, i8*, ...) @fprintf(i32 %20, i8* getelementptr inbounds ([58 x i8], [58 x i8]* @.str.8, i64 0, i64 0))
%22 = load i32, i32* @stderr
%23 = call i32 (i32, i8*, ...) @fprintf(i32 %22, i8* getelementptr inbounds ([53 x i8], [53 x i8]* @.str.9, i64 0, i64 0))
%24 = load i32, i32* @stderr
%25 = call i32 (i32, i8*, ...) @fprintf(i32 %24, i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.10, i64 0, i64 0))
%26 = load i32, i32* @stderr
%27 = call i32 (i32, i8*, ...) @fprintf(i32 %26, i8* getelementptr inbounds ([41 x i8], [41 x i8]* @.str.11, i64 0, i64 0))
%28 = load i32, i32* @stderr
%29 = call i32 (i32, i8*, ...) @fprintf(i32 %28, i8* getelementptr inbounds ([25 x i8], [25 x i8]* @.str.12, i64 0, i64 0))
%30 = load i32, i32* @stderr
%31 = call i32 (i32, i8*, ...) @fprintf(i32 %30, i8* getelementptr inbounds ([28 x i8], [28 x i8]* @.str.13, i64 0, i64 0))
%32 = load i32, i32* @stderr
%33 = call i32 (i32, i8*, ...) @fprintf(i32 %32, i8* getelementptr inbounds ([37 x i8], [37 x i8]* @.str.14, i64 0, i64 0))
%34 = load i32, i32* @stderr
%35 = call i32 (i32, i8*, ...) @fprintf(i32 %34, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.15, i64 0, i64 0))
%36 = call i32 @exit(i32 1)
unreachable
}

LLVM IR (-O2):
@stderr = global i32 0
@.str = [27 x i8] c"\0AUsage: %s [options] tty\0A\0A\00"
@.str.1 = [47 x i8] c"Options: -o (send open command 'O\\r')\0A\00"
@.str.2 = [68 x i8] c" -l (send listen only command 'L\\r', overrides -o)\0A\00"
@.str.3 = [48 x i8] c" -c (send close command 'C\\r')\0A\00"
@.str.4 = [74 x i8] c" -f (read status flags with 'F\\r' to reset error states)\0A\00"
@.str.5 = [42 x i8] c" -s <speed> (set CAN speed 0..8)\0A\00"
@.str.6 = [51 x i8] c" -b <btr> (set bit time register value)\0A\00"
@.str.7 = [51 x i8] c" -d (only detach line discipline)\0A\00"
@.str.8 = [58 x i8] c" -w (attach - wait for keypess - detach)\0A\00"
@.str.9 = [53 x i8] c" -n <name> (assign created netdevice name)\0A\00"
@.str.10 = [12 x i8] c"\0AExamples:\0A\00"
@.str.11 = [41 x i8] c"slcan_attach -w -o -f -s6 -c /dev/ttyS1\0A\00"
@.str.12 = [25 x i8] c"slcan_attach /dev/ttyS1\0A\00"
@.str.13 = [28 x i8] c"slcan_attach -d /dev/ttyS1\0A\00"
@.str.14 = [37 x i8] c"slcan_attach -w -n can15 /dev/ttyS1\0A\00"
@.str.15 = [2 x i8] c"\0A\00"
define void @print_usage(i8* %0) {
%2 = load i32, i32* @stderr
%3 = tail call i32 (i32, i8*, ...) @fprintf(i32 %2, i8* getelementptr inbounds ([27 x i8], [27 x i8]* @.str, i64 0, i64 0), i8* %0)
%4 = load i32, i32* @stderr
%5 = tail call i32 (i32, i8*, ...) @fprintf(i32 %4, i8* getelementptr inbounds ([47 x i8], [47 x i8]* @.str.1, i64 0, i64 0))
%6 = load i32, i32* @stderr
%7 = tail call i32 (i32, i8*, ...) @fprintf(i32 %6, i8* getelementptr inbounds ([68 x i8], [68 x i8]* @.str.2, i64 0, i64 0))
%8 = load i32, i32* @stderr
%9 = tail call i32 (i32, i8*, ...) @fprintf(i32 %8, i8* getelementptr inbounds ([48 x i8], [48 x i8]* @.str.3, i64 0, i64 0))
%10 = load i32, i32* @stderr
%11 = tail call i32 (i32, i8*, ...) @fprintf(i32 %10, i8* getelementptr inbounds ([74 x i8], [74 x i8]* @.str.4, i64 0, i64 0))
%12 = load i32, i32* @stderr
%13 = tail call i32 (i32, i8*, ...) @fprintf(i32 %12, i8* getelementptr inbounds ([42 x i8], [42 x i8]* @.str.5, i64 0, i64 0))
%14 = load i32, i32* @stderr
%15 = tail call i32 (i32, i8*, ...) @fprintf(i32 %14, i8* getelementptr inbounds ([51 x i8], [51 x i8]* @.str.6, i64 0, i64 0))
%16 = load i32, i32* @stderr
%17 = tail call i32 (i32, i8*, ...) @fprintf(i32 %16, i8* getelementptr inbounds ([51 x i8], [51 x i8]* @.str.7, i64 0, i64 0))
%18 = load i32, i32* @stderr
%19 = tail call i32 (i32, i8*, ...) @fprintf(i32 %18, i8* getelementptr inbounds ([58 x i8], [58 x i8]* @.str.8, i64 0, i64 0))
%20 = load i32, i32* @stderr
%21 = tail call i32 (i32, i8*, ...) @fprintf(i32 %20, i8* getelementptr inbounds ([53 x i8], [53 x i8]* @.str.9, i64 0, i64 0))
%22 = load i32, i32* @stderr
%23 = tail call i32 (i32, i8*, ...) @fprintf(i32 %22, i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.10, i64 0, i64 0))
%24 = load i32, i32* @stderr
%25 = tail call i32 (i32, i8*, ...) @fprintf(i32 %24, i8* getelementptr inbounds ([41 x i8], [41 x i8]* @.str.11, i64 0, i64 0))
%26 = load i32, i32* @stderr
%27 = tail call i32 (i32, i8*, ...) @fprintf(i32 %26, i8* getelementptr inbounds ([25 x i8], [25 x i8]* @.str.12, i64 0, i64 0))
%28 = load i32, i32* @stderr
%29 = tail call i32 (i32, i8*, ...) @fprintf(i32 %28, i8* getelementptr inbounds ([28 x i8], [28 x i8]* @.str.13, i64 0, i64 0))
%30 = load i32, i32* @stderr
%31 = tail call i32 (i32, i8*, ...) @fprintf(i32 %30, i8* getelementptr inbounds ([37 x i8], [37 x i8]* @.str.14, i64 0, i64 0))
%32 = load i32, i32* @stderr
%33 = tail call i32 (i32, i8*, ...) @fprintf(i32 %32, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.15, i64 0, i64 0))
%34 = tail call i32 @exit(i32 1)
unreachable
}