#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(const char *name) {
  fprintf(stderr,
          "%s version "
          "0.1"
          " compiled at "
          "Mar 18 2022"
          " "
          "14:54:43"
          "\n",
          name);
  fprintf(stderr, "\nUsage:\t%s <options> [<byte0> <byte1> ...]\n\n", name);
  fprintf(stderr, "options:\n");
  fprintf(stderr, "-w <ms>      - wait for ms milliseconds after sending a "
                  "packet (default: 100)\n");
  fprintf(stderr, "-v           - verbose output\n");
  fprintf(stderr, "-o           - use own mac address as SA (default: no)\n");
  fprintf(stderr, "-t           - set socket tx buffer size\n");
  fprintf(stderr, "-c <offset>  - counting mode: increment byte at offset "
                  "(from DA) by one in each msg\n");
  fprintf(stderr, "-n <number>  - send a number of msgs (default: 1) - zero "
                  "for an infinite number\n");
  fprintf(stderr, "-i <interf>  - use this net device (default: eth0)\n");
  fprintf(stderr, "-s <src_mac>\n");
  fprintf(stderr, "-d <dst_mac> - source, destination MAC address (default: "
                  "taken from payload)\n");
  fprintf(stderr, "<byteX>      - payload\n");
  fprintf(stderr,
          "\nAfter processing src_mac, dst_mac and the payload the program "
          "appends any bytes read from stdin to the payload\n");
}


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    0xed0(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2ea2(%rip),%rax
mov    (%rax),%edi
mov    -0x8(%rbp),%rdx
lea    0xee6(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e87(%rip),%rax
mov    (%rax),%edi
lea    0xefc(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e70(%rip),%rax
mov    (%rax),%edi
lea    0xeef(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e59(%rip),%rax
mov    (%rax),%edi
lea    0xf27(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e42(%rip),%rax
mov    (%rax),%edi
lea    0xf2f(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e2b(%rip),%rax
mov    (%rax),%edi
lea    0xf50(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2e14(%rip),%rax
mov    (%rax),%edi
lea    0xf63(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2dfd(%rip),%rax
mov    (%rax),%edi
lea    0xfa1(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2de6(%rip),%rax
mov    (%rax),%edi
lea    0xfdb(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2dcf(%rip),%rax
mov    (%rax),%edi
lea    0xff8(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2db8(%rip),%rax
mov    (%rax),%edi
lea    0xfef(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2da1(%rip),%rax
mov    (%rax),%edi
lea    0x1026(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
mov    0x2d8a(%rip),%rax
mov    (%rax),%edi
lea    0x1027(%rip),%rsi
mov    $0x0,%al
call   1030 <fprintf@plt>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<usage>:
push   %r14
push   %rbx
push   %rax
mov    %rdi,%rbx
mov    0x2ec2(%rip),%r14
mov    (%r14),%edi
lea    0xed8(%rip),%rsi
mov    %rbx,%rdx
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%r14),%edi
lea    0xef5(%rip),%rsi
mov    %rbx,%rdx
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%r14),%edi
lea    0xf0e(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%r14),%edi
lea    0xf07(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%r14),%edi
lea    0xf45(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%r14),%edi
lea    0xf53(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%r14),%edi
lea    0xf7a(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%r14),%edi
lea    0xf93(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%r14),%edi
lea    0xfd7(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%r14),%edi
lea    0x1017(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%r14),%edi
lea    0x103a(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%r14),%edi
lea    0x1037(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%r14),%edi
lea    0x1074(%rip),%rsi
xor    %eax,%eax
call   1030 <fprintf@plt>
mov    (%r14),%edi
lea    0x107b(%rip),%rsi
xor    %eax,%eax
add    $0x8,%rsp
pop    %rbx
pop    %r14
jmp    1030 <fprintf@plt>

LLVM IR (-O0):
@stderr = global i32 0
@.str = [49 x i8] c"%s version 0.1 compiled at Mar 18 2022 14:54:43\0A\00"
@.str.1 = [45 x i8] c"\0AUsage:\09%s <options> [<byte0> <byte1> ...]\0A\0A\00"
@.str.2 = [10 x i8] c"options:\0A\00"
@.str.3 = [79 x i8] c"-w <ms> - wait for ms milliseconds after sending a packet (default: 100)\0A\00"
@.str.4 = [31 x i8] c"-v - verbose output\0A\00"
@.str.5 = [56 x i8] c"-o - use own mac address as SA (default: no)\0A\00"
@.str.6 = [42 x i8] c"-t - set socket tx buffer size\0A\00"
@.str.7 = [85 x i8] c"-c <offset> - counting mode: increment byte at offset (from DA) by one in each msg\0A\00"
@.str.8 = [81 x i8] c"-n <number> - send a number of msgs (default: 1) - zero for an infinite number\0A\00"
@.str.9 = [52 x i8] c"-i <interf> - use this net device (default: eth0)\0A\00"
@.str.10 = [14 x i8] c"-s <src_mac>\0A\00"
@.str.11 = [78 x i8] c"-d <dst_mac> - source, destination MAC address (default: taken from payload)\0A\00"
@.str.12 = [24 x i8] c"<byteX> - payload\0A\00"
@.str.13 = [113 x i8] c"\0AAfter processing src_mac, dst_mac and the payload the program appends any bytes read from stdin to the payload\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 ([49 x i8], [49 x i8]* @.str, i64 0, i64 0), i8* %4)
%6 = load i32, i32* @stderr
%7 = load i8*, i8** %2
%8 = call i32 (i32, i8*, ...) @fprintf(i32 %6, i8* getelementptr inbounds ([45 x i8], [45 x i8]* @.str.1, i64 0, i64 0), i8* %7)
%9 = load i32, i32* @stderr
%10 = call i32 (i32, i8*, ...) @fprintf(i32 %9, i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.2, i64 0, i64 0))
%11 = load i32, i32* @stderr
%12 = call i32 (i32, i8*, ...) @fprintf(i32 %11, i8* getelementptr inbounds ([79 x i8], [79 x i8]* @.str.3, i64 0, i64 0))
%13 = load i32, i32* @stderr
%14 = call i32 (i32, i8*, ...) @fprintf(i32 %13, i8* getelementptr inbounds ([31 x i8], [31 x i8]* @.str.4, i64 0, i64 0))
%15 = load i32, i32* @stderr
%16 = call i32 (i32, i8*, ...) @fprintf(i32 %15, i8* getelementptr inbounds ([56 x i8], [56 x i8]* @.str.5, i64 0, i64 0))
%17 = load i32, i32* @stderr
%18 = call i32 (i32, i8*, ...) @fprintf(i32 %17, i8* getelementptr inbounds ([42 x i8], [42 x i8]* @.str.6, i64 0, i64 0))
%19 = load i32, i32* @stderr
%20 = call i32 (i32, i8*, ...) @fprintf(i32 %19, i8* getelementptr inbounds ([85 x i8], [85 x i8]* @.str.7, i64 0, i64 0))
%21 = load i32, i32* @stderr
%22 = call i32 (i32, i8*, ...) @fprintf(i32 %21, i8* getelementptr inbounds ([81 x i8], [81 x i8]* @.str.8, i64 0, i64 0))
%23 = load i32, i32* @stderr
%24 = call i32 (i32, i8*, ...) @fprintf(i32 %23, i8* getelementptr inbounds ([52 x i8], [52 x i8]* @.str.9, i64 0, i64 0))
%25 = load i32, i32* @stderr
%26 = call i32 (i32, i8*, ...) @fprintf(i32 %25, i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.10, i64 0, i64 0))
%27 = load i32, i32* @stderr
%28 = call i32 (i32, i8*, ...) @fprintf(i32 %27, i8* getelementptr inbounds ([78 x i8], [78 x i8]* @.str.11, i64 0, i64 0))
%29 = load i32, i32* @stderr
%30 = call i32 (i32, i8*, ...) @fprintf(i32 %29, i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str.12, i64 0, i64 0))
%31 = load i32, i32* @stderr
%32 = call i32 (i32, i8*, ...) @fprintf(i32 %31, i8* getelementptr inbounds ([113 x i8], [113 x i8]* @.str.13, i64 0, i64 0))
ret void
}

LLVM IR (-O2):
@stderr = global i32 0
@.str = [49 x i8] c"%s version 0.1 compiled at Mar 18 2022 14:54:43\0A\00"
@.str.1 = [45 x i8] c"\0AUsage:\09%s <options> [<byte0> <byte1> ...]\0A\0A\00"
@.str.2 = [10 x i8] c"options:\0A\00"
@.str.3 = [79 x i8] c"-w <ms> - wait for ms milliseconds after sending a packet (default: 100)\0A\00"
@.str.4 = [31 x i8] c"-v - verbose output\0A\00"
@.str.5 = [56 x i8] c"-o - use own mac address as SA (default: no)\0A\00"
@.str.6 = [42 x i8] c"-t - set socket tx buffer size\0A\00"
@.str.7 = [85 x i8] c"-c <offset> - counting mode: increment byte at offset (from DA) by one in each msg\0A\00"
@.str.8 = [81 x i8] c"-n <number> - send a number of msgs (default: 1) - zero for an infinite number\0A\00"
@.str.9 = [52 x i8] c"-i <interf> - use this net device (default: eth0)\0A\00"
@.str.10 = [14 x i8] c"-s <src_mac>\0A\00"
@.str.11 = [78 x i8] c"-d <dst_mac> - source, destination MAC address (default: taken from payload)\0A\00"
@.str.12 = [24 x i8] c"<byteX> - payload\0A\00"
@.str.13 = [113 x i8] c"\0AAfter processing src_mac, dst_mac and the payload the program appends any bytes read from stdin to the payload\0A\00"
define void @usage(i8* %0) {
%2 = load i32, i32* @stderr
%3 = tail call i32 (i32, i8*, ...) @fprintf(i32 %2, i8* getelementptr inbounds ([49 x i8], [49 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 ([45 x i8], [45 x i8]* @.str.1, i64 0, i64 0), i8* %0)
%6 = load i32, i32* @stderr
%7 = tail call i32 (i32, i8*, ...) @fprintf(i32 %6, i8* getelementptr inbounds ([10 x i8], [10 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 ([79 x i8], [79 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 ([31 x i8], [31 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 ([56 x i8], [56 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 ([42 x i8], [42 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 ([85 x i8], [85 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 ([81 x i8], [81 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 ([52 x i8], [52 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 ([14 x i8], [14 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 ([78 x i8], [78 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 ([24 x i8], [24 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 ([113 x i8], [113 x i8]* @.str.13, i64 0, i64 0))
ret void
}