#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*/ printf(char *, ...);
int /*<<< orphan*/ puts(char *);
void display_help(char *name) {
  printf("Usage: %s [-h] [-i <netio_dir>] [-n <NETMAP>] ", name);
  printf("[-s <sniff_dir>] [-f] [-d [-d ...]]\n");
  puts("");
  puts("Arguments:");
  printf("\t-h: displays this help\n");
  printf("\t-i <netio_dir>: Look for netio sockets in <netio_dir>\n");
  printf("\t\t\t[default=/tmp/netio0]\n");
  printf("\t-n <NETMAP>: Location of <NETMAP> file [default=./NETMAP]\n");
  printf("\t-s <sniff_dir>: Directory to place sniffs to ");
  printf("[default=/tmp/iousn*]\n");
  printf("\t-o: Only sniff on links where DLT is specified\n");
  printf("\t-f: Flush at every write to pcap\n");
  printf("\t-d: Increase debug level (may be specified more than once)\n");
  puts("");
  printf("Version: %s\n", "0.2");
  printf("Author: Martin Cechvala\n");
}


x86 assembly (clang, -O0):
<display_help>:
push   %rbp
mov    %rsp,%rbp
sub    $0x10,%rsp
mov    %rdi,-0x8(%rbp)
mov    -0x8(%rbp),%rsi
lea    0xec9(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
lea    0xeea(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
lea    0x1089(%rip),%rdi
call   1030 <puts@plt>
lea    0xef5(%rip),%rdi
call   1030 <puts@plt>
lea    0xef4(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
lea    0xeff(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
lea    0xf29(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
lea    0xf35(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
lea    0xf63(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
lea    0xf84(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
lea    0xf8d(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
lea    0xfb0(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
lea    0xfc5(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
lea    0xff3(%rip),%rdi
call   1030 <puts@plt>
lea    0xfe8(%rip),%rdi
lea    0xfee(%rip),%rsi
mov    $0x0,%al
call   1040 <printf@plt>
lea    0xfe4(%rip),%rdi
mov    $0x0,%al
call   1040 <printf@plt>
add    $0x10,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<display_help>:
push   %rax
mov    %rdi,%rsi
lea    0xec5(%rip),%rdi
xor    %eax,%eax
call   1050 <printf@plt>
lea    0xf31(%rip),%rdi
call   1040 <puts@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
lea    0xed0(%rip),%rdi
call   1040 <puts@plt>
lea    0xf33(%rip),%rdi
call   1040 <puts@plt>
lea    0xf3f(%rip),%rdi
call   1040 <puts@plt>
lea    0xf6a(%rip),%rdi
call   1040 <puts@plt>
lea    0xf77(%rip),%rdi
call   1040 <puts@plt>
lea    0xe9f(%rip),%rdi
xor    %eax,%eax
call   1050 <printf@plt>
lea    0xf98(%rip),%rdi
call   1040 <puts@plt>
lea    0xfa2(%rip),%rdi
call   1040 <puts@plt>
lea    0xfc6(%rip),%rdi
call   1040 <puts@plt>
lea    0xfdc(%rip),%rdi
call   1040 <puts@plt>
mov    $0xa,%edi
call   1030 <putchar@plt>
lea    0xe86(%rip),%rdi
lea    0xe8c(%rip),%rsi
xor    %eax,%eax
call   1050 <printf@plt>
lea    0xfed(%rip),%rdi
pop    %rax
jmp    1040 <puts@plt>

LLVM IR (-O0):
@.str = [47 x i8] c"Usage: %s [-h] [-i <netio_dir>] [-n <NETMAP>] \00"
@.str.1 = [37 x i8] c"[-s <sniff_dir>] [-f] [-d [-d ...]]\0A\00"
@.str.2 = [1 x i8] zeroinitializer
@.str.3 = [11 x i8] c"Arguments:\00"
@.str.4 = [25 x i8] c"\09-h: displays this help\0A\00"
@.str.5 = [56 x i8] c"\09-i <netio_dir>: Look for netio sockets in <netio_dir>\0A\00"
@.str.6 = [26 x i8] c"\09\09\09[default=/tmp/netio0]\0A\00"
@.str.7 = [60 x i8] c"\09-n <NETMAP>: Location of <NETMAP> file [default=./NETMAP]\0A\00"
@.str.8 = [47 x i8] c"\09-s <sniff_dir>: Directory to place sniffs to \00"
@.str.9 = [23 x i8] c"[default=/tmp/iousn*]\0A\00"
@.str.10 = [49 x i8] c"\09-o: Only sniff on links where DLT is specified\0A\00"
@.str.11 = [35 x i8] c"\09-f: Flush at every write to pcap\0A\00"
@.str.12 = [61 x i8] c"\09-d: Increase debug level (may be specified more than once)\0A\00"
@.str.13 = [13 x i8] c"Version: %s\0A\00"
@.str.14 = [4 x i8] c"0.2\00"
@.str.15 = [25 x i8] c"Author: Martin Cechvala\0A\00"
define void @display_help(i8* %0) {
%2 = alloca i8*
store i8* %0, i8** %2
%3 = load i8*, i8** %2
%4 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([47 x i8], [47 x i8]* @.str, i64 0, i64 0), i8* %3)
%5 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([37 x i8], [37 x i8]* @.str.1, i64 0, i64 0))
%6 = call i32 @puts(i8* getelementptr inbounds ([1 x i8], [1 x i8]* @.str.2, i64 0, i64 0))
%7 = call i32 @puts(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.3, i64 0, i64 0))
%8 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([25 x i8], [25 x i8]* @.str.4, i64 0, i64 0))
%9 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([56 x i8], [56 x i8]* @.str.5, i64 0, i64 0))
%10 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([26 x i8], [26 x i8]* @.str.6, i64 0, i64 0))
%11 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([60 x i8], [60 x i8]* @.str.7, i64 0, i64 0))
%12 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([47 x i8], [47 x i8]* @.str.8, i64 0, i64 0))
%13 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str.9, i64 0, i64 0))
%14 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([49 x i8], [49 x i8]* @.str.10, i64 0, i64 0))
%15 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([35 x i8], [35 x i8]* @.str.11, i64 0, i64 0))
%16 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([61 x i8], [61 x i8]* @.str.12, i64 0, i64 0))
%17 = call i32 @puts(i8* getelementptr inbounds ([1 x i8], [1 x i8]* @.str.2, i64 0, i64 0))
%18 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.13, i64 0, i64 0), i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.14, i64 0, i64 0))
%19 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([25 x i8], [25 x i8]* @.str.15, i64 0, i64 0))
ret void
}

LLVM IR (-O2):
@.str = [47 x i8] c"Usage: %s [-h] [-i <netio_dir>] [-n <NETMAP>] \00"
@.str.3 = [11 x i8] c"Arguments:\00"
@.str.8 = [47 x i8] c"\09-s <sniff_dir>: Directory to place sniffs to \00"
@.str.13 = [13 x i8] c"Version: %s\0A\00"
@.str.14 = [4 x i8] c"0.2\00"
@str = [36 x i8] c"[-s <sniff_dir>] [-f] [-d [-d ...]]\00"
@str.16 = [24 x i8] c"\09-h: displays this help\00"
@str.17 = [55 x i8] c"\09-i <netio_dir>: Look for netio sockets in <netio_dir>\00"
@str.18 = [25 x i8] c"\09\09\09[default=/tmp/netio0]\00"
@str.19 = [59 x i8] c"\09-n <NETMAP>: Location of <NETMAP> file [default=./NETMAP]\00"
@str.20 = [22 x i8] c"[default=/tmp/iousn*]\00"
@str.21 = [48 x i8] c"\09-o: Only sniff on links where DLT is specified\00"
@str.22 = [34 x i8] c"\09-f: Flush at every write to pcap\00"
@str.23 = [60 x i8] c"\09-d: Increase debug level (may be specified more than once)\00"
@str.24 = [24 x i8] c"Author: Martin Cechvala\00"
define void @display_help(i8* %0) {
%2 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([47 x i8], [47 x i8]* @.str, i64 0, i64 0), i8* %0)
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([36 x i8], [36 x i8]* @str, i64 0, i64 0))
%4 = tail call i32 @putchar(i32 10)
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([11 x i8], [11 x i8]* @.str.3, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([24 x i8], [24 x i8]* @str.16, i64 0, i64 0))
%7 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([55 x i8], [55 x i8]* @str.17, i64 0, i64 0))
%8 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([25 x i8], [25 x i8]* @str.18, i64 0, i64 0))
%9 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([59 x i8], [59 x i8]* @str.19, i64 0, i64 0))
%10 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([47 x i8], [47 x i8]* @.str.8, i64 0, i64 0))
%11 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([22 x i8], [22 x i8]* @str.20, i64 0, i64 0))
%12 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([48 x i8], [48 x i8]* @str.21, i64 0, i64 0))
%13 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([34 x i8], [34 x i8]* @str.22, i64 0, i64 0))
%14 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([60 x i8], [60 x i8]* @str.23, i64 0, i64 0))
%15 = tail call i32 @putchar(i32 10)
%16 = tail call i32 (i8*, ...) @printf(i8* dereferenceable(1) getelementptr inbounds ([13 x i8], [13 x i8]* @.str.13, i64 0, i64 0), i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.14, i64 0, i64 0))
%17 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([24 x i8], [24 x i8]* @str.24, i64 0, i64 0))
ret void
}