#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 *);
void help(void) {
  printf("==========================================================\n");
  printf("Usage:\n");
  printf("\t-a <ip addr>:\tonly sniff packet with addr\n");
  printf("\t-p <port>:\tonly sniff packet with port\n");
  printf("\t-c <count>:\texit after sniffing count packets\n");
  printf("\t-O <file>:\tsave output into file\n");
  printf("\t-h:\tshow this message\n");
  printf("==========================================================\n");
}


x86 assembly (clang, -O0):
<help>:
push   %rbp
mov    %rsp,%rbp
lea    0xee5(%rip),%rdi
call   1030 <printf@plt>
lea    0xf15(%rip),%rdi
call   1030 <printf@plt>
lea    0xf11(%rip),%rdi
call   1030 <printf@plt>
lea    0xf31(%rip),%rdi
call   1030 <printf@plt>
lea    0xf4e(%rip),%rdi
call   1030 <printf@plt>
lea    0xf72(%rip),%rdi
call   1030 <printf@plt>
lea    0xf89(%rip),%rdi
call   1030 <printf@plt>
lea    0xe91(%rip),%rdi
call   1030 <printf@plt>
pop    %rbp
ret

x86 assembly (clang, -O2):
<help>:
push   %rbx
lea    0xfaa(%rip),%rbx
mov    %rbx,%rdi
call   1030 <puts@plt>
lea    0xed9(%rip),%rdi
call   1030 <puts@plt>
lea    0xed4(%rip),%rdi
call   1030 <puts@plt>
lea    0xef3(%rip),%rdi
call   1030 <puts@plt>
lea    0xf0f(%rip),%rdi
call   1030 <puts@plt>
lea    0xf32(%rip),%rdi
call   1030 <puts@plt>
lea    0xf48(%rip),%rdi
call   1030 <puts@plt>
mov    %rbx,%rdi
pop    %rbx
jmp    1030 <puts@plt>

LLVM IR (-O0):
@.str = [60 x i8] c"==========================================================\0A\00"
@.str.1 = [8 x i8] c"Usage:\0A\00"
@.str.2 = [44 x i8] c"\09-a <ip addr>:\09only sniff packet with addr\0A\00"
@.str.3 = [41 x i8] c"\09-p <port>:\09only sniff packet with port\0A\00"
@.str.4 = [48 x i8] c"\09-c <count>:\09exit after sniffing count packets\0A\00"
@.str.5 = [35 x i8] c"\09-O <file>:\09save output into file\0A\00"
@.str.6 = [24 x i8] c"\09-h:\09show this message\0A\00"
define void @help() {
%1 = call i32 @printf(i8* getelementptr inbounds ([60 x i8], [60 x i8]* @.str, i64 0, i64 0))
%2 = call i32 @printf(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.1, i64 0, i64 0))
%3 = call i32 @printf(i8* getelementptr inbounds ([44 x i8], [44 x i8]* @.str.2, i64 0, i64 0))
%4 = call i32 @printf(i8* getelementptr inbounds ([41 x i8], [41 x i8]* @.str.3, i64 0, i64 0))
%5 = call i32 @printf(i8* getelementptr inbounds ([48 x i8], [48 x i8]* @.str.4, i64 0, i64 0))
%6 = call i32 @printf(i8* getelementptr inbounds ([35 x i8], [35 x i8]* @.str.5, i64 0, i64 0))
%7 = call i32 @printf(i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str.6, i64 0, i64 0))
%8 = call i32 @printf(i8* getelementptr inbounds ([60 x i8], [60 x i8]* @.str, i64 0, i64 0))
ret void
}

LLVM IR (-O2):
@str.7 = [7 x i8] c"Usage:\00"
@str.8 = [43 x i8] c"\09-a <ip addr>:\09only sniff packet with addr\00"
@str.9 = [40 x i8] c"\09-p <port>:\09only sniff packet with port\00"
@str.10 = [47 x i8] c"\09-c <count>:\09exit after sniffing count packets\00"
@str.11 = [34 x i8] c"\09-O <file>:\09save output into file\00"
@str.12 = [23 x i8] c"\09-h:\09show this message\00"
@str.13 = [59 x i8] c"==========================================================\00"
define void @help() {
%1 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([59 x i8], [59 x i8]* @str.13, i64 0, i64 0))
%2 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([7 x i8], [7 x i8]* @str.7, i64 0, i64 0))
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([43 x i8], [43 x i8]* @str.8, i64 0, i64 0))
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([40 x i8], [40 x i8]* @str.9, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([47 x i8], [47 x i8]* @str.10, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([34 x i8], [34 x i8]* @str.11, i64 0, i64 0))
%7 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([23 x i8], [23 x i8]* @str.12, i64 0, i64 0))
%8 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([59 x i8], [59 x i8]* @str.13, i64 0, i64 0))
ret void
}