#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 usage(void) {
  printf("nPing version 0.9\n\n");
  printf("USAGE: ./nPING [OPTIONS] [ADDR]\n");
  printf("	Options:\n");
  printf("	-S [nRouted_address:port]	- The address and port number "
         "where the nRouted TCP server is located.\n");
  printf("	-c [count]			- The number of nPing packets "
         "to send.\n");
  printf("	-i [time]			- NOT IMPLEMENTED! Time "
         "interval between pings (in usec, counted from previous receive or "
         "timeout which ever comes first).\n");
  printf("	-v					- Verbose output.\n");
  printf("	-f					- Flood ping.\n");
  printf("	-l [len]			- Length of the data payload "
         "of nPing packets. NOTE: 1 < len < 65.\n");
  printf("						  The two first bytes "
         "of the payload are always used  as a 16 bit sequence number.\n");
  printf("	   [ADDR] 			- the 802.15.4 MAC address of "
         "the target.\n\n");
}


x86 assembly (clang, -O0):
<usage>:
push   %rbp
mov    %rsp,%rbp
lea    0xee5(%rip),%rdi
call   1030 <printf@plt>
lea    0xeed(%rip),%rdi
call   1030 <printf@plt>
lea    0xf02(%rip),%rdi
call   1030 <printf@plt>
lea    0xf01(%rip),%rdi
call   1030 <printf@plt>
lea    0xf58(%rip),%rdi
call   1030 <printf@plt>
lea    0xf82(%rip),%rdi
call   1030 <printf@plt>
lea    0xfff(%rip),%rdi
call   1030 <printf@plt>
lea    0x100e(%rip),%rdi
call   1030 <printf@plt>
lea    0x1019(%rip),%rdi
call   1030 <printf@plt>
lea    0x105d(%rip),%rdi
call   1030 <printf@plt>
lea    0x10ab(%rip),%rdi
call   1030 <printf@plt>
pop    %rbp
ret

x86 assembly (clang, -O2):
<usage>:
push   %rax
lea    0xee8(%rip),%rdi
call   1030 <puts@plt>
lea    0xeef(%rip),%rdi
call   1030 <puts@plt>
lea    0xf03(%rip),%rdi
call   1030 <puts@plt>
lea    0xf01(%rip),%rdi
call   1030 <puts@plt>
lea    0xf57(%rip),%rdi
call   1030 <puts@plt>
lea    0xf80(%rip),%rdi
call   1030 <puts@plt>
lea    0xffc(%rip),%rdi
call   1030 <puts@plt>
lea    0x100a(%rip),%rdi
call   1030 <puts@plt>
lea    0x1014(%rip),%rdi
call   1030 <puts@plt>
lea    0x1057(%rip),%rdi
call   1030 <puts@plt>
lea    0x10a4(%rip),%rdi
pop    %rax
jmp    1030 <puts@plt>

LLVM IR (-O0):
@.str = [20 x i8] c"nPing version 0.9\0A\0A\00"
@.str.1 = [33 x i8] c"USAGE: ./nPING [OPTIONS] [ADDR]\0A\00"
@.str.2 = [11 x i8] c"\09Options:\0A\00"
@.str.3 = [99 x i8] c"\09-S [nRouted_address:port]\09- The address and port number where the nRouted TCP server is located.\0A\00"
@.str.4 = [54 x i8] c"\09-c [count]\09\09\09- The number of nPing packets to send.\0A\00"
@.str.5 = [137 x i8] c"\09-i [time]\09\09\09- NOT IMPLEMENTED! Time interval between pings (in usec, counted from previous receive or timeout which ever comes first).\0A\00"
@.str.6 = [27 x i8] c"\09-v\09\09\09\09\09- Verbose output.\0A\00"
@.str.7 = [23 x i8] c"\09-f\09\09\09\09\09- Flood ping.\0A\00"
@.str.8 = [80 x i8] c"\09-l [len]\09\09\09- Length of the data payload of nPing packets. NOTE: 1 < len < 65.\0A\00"
@.str.9 = [90 x i8] c"\09\09\09\09\09\09 The two first bytes of the payload are always used as a 16 bit sequence number.\0A\00"
@.str.10 = [58 x i8] c"\09 [ADDR] \09\09\09- the 802.15.4 MAC address of the target.\0A\0A\00"
define void @usage() {
%1 = call i32 @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str, i64 0, i64 0))
%2 = call i32 @printf(i8* getelementptr inbounds ([33 x i8], [33 x i8]* @.str.1, i64 0, i64 0))
%3 = call i32 @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.2, i64 0, i64 0))
%4 = call i32 @printf(i8* getelementptr inbounds ([99 x i8], [99 x i8]* @.str.3, i64 0, i64 0))
%5 = call i32 @printf(i8* getelementptr inbounds ([54 x i8], [54 x i8]* @.str.4, i64 0, i64 0))
%6 = call i32 @printf(i8* getelementptr inbounds ([137 x i8], [137 x i8]* @.str.5, i64 0, i64 0))
%7 = call i32 @printf(i8* getelementptr inbounds ([27 x i8], [27 x i8]* @.str.6, i64 0, i64 0))
%8 = call i32 @printf(i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str.7, i64 0, i64 0))
%9 = call i32 @printf(i8* getelementptr inbounds ([80 x i8], [80 x i8]* @.str.8, i64 0, i64 0))
%10 = call i32 @printf(i8* getelementptr inbounds ([90 x i8], [90 x i8]* @.str.9, i64 0, i64 0))
%11 = call i32 @printf(i8* getelementptr inbounds ([58 x i8], [58 x i8]* @.str.10, i64 0, i64 0))
ret void
}

LLVM IR (-O2):
@str = [19 x i8] c"nPing version 0.9\0A\00"
@str.11 = [32 x i8] c"USAGE: ./nPING [OPTIONS] [ADDR]\00"
@str.12 = [10 x i8] c"\09Options:\00"
@str.13 = [98 x i8] c"\09-S [nRouted_address:port]\09- The address and port number where the nRouted TCP server is located.\00"
@str.14 = [53 x i8] c"\09-c [count]\09\09\09- The number of nPing packets to send.\00"
@str.15 = [136 x i8] c"\09-i [time]\09\09\09- NOT IMPLEMENTED! Time interval between pings (in usec, counted from previous receive or timeout which ever comes first).\00"
@str.16 = [26 x i8] c"\09-v\09\09\09\09\09- Verbose output.\00"
@str.17 = [22 x i8] c"\09-f\09\09\09\09\09- Flood ping.\00"
@str.18 = [79 x i8] c"\09-l [len]\09\09\09- Length of the data payload of nPing packets. NOTE: 1 < len < 65.\00"
@str.19 = [89 x i8] c"\09\09\09\09\09\09 The two first bytes of the payload are always used as a 16 bit sequence number.\00"
@str.20 = [57 x i8] c"\09 [ADDR] \09\09\09- the 802.15.4 MAC address of the target.\0A\00"
define void @usage() {
%1 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([19 x i8], [19 x i8]* @str, i64 0, i64 0))
%2 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([32 x i8], [32 x i8]* @str.11, i64 0, i64 0))
%3 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([10 x i8], [10 x i8]* @str.12, i64 0, i64 0))
%4 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([98 x i8], [98 x i8]* @str.13, i64 0, i64 0))
%5 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([53 x i8], [53 x i8]* @str.14, i64 0, i64 0))
%6 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([136 x i8], [136 x i8]* @str.15, i64 0, i64 0))
%7 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([26 x i8], [26 x i8]* @str.16, i64 0, i64 0))
%8 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([22 x i8], [22 x i8]* @str.17, i64 0, i64 0))
%9 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([79 x i8], [79 x i8]* @str.18, i64 0, i64 0))
%10 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([89 x i8], [89 x i8]* @str.19, i64 0, i64 0))
%11 = tail call i32 @puts(i8* dereferenceable(1) getelementptr inbounds ([57 x i8], [57 x i8]* @str.20, i64 0, i64 0))
ret void
}