#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 */
typedef struct TYPE_6__ TYPE_3__;
typedef struct TYPE_5__ TYPE_2__;
typedef struct TYPE_4__ TYPE_1__;

/* Type definitions */
struct TYPE_4__ {
  void *s_addr;
};
struct sockaddr_in {
  int /*<<< orphan*/ sin_port;
  TYPE_1__ sin_addr;
  int /*<<< orphan*/ sin_family;
};
struct sockaddr {
  int dummy;
};
struct TYPE_6__ {
  void *s_addr;
};
struct TYPE_5__ {
  int /*<<< orphan*/ s_addr;
};
struct ip_mreq {
  TYPE_3__ imr_interface;
  TYPE_2__ imr_multiaddr;
};
typedef int /*<<< orphan*/ mul_addr;
typedef int /*<<< orphan*/ join_addr;
typedef int /*<<< orphan*/ buf;

/* Variables and functions */
int /*<<< orphan*/ AF_INET;
int /*<<< orphan*/ EXIT_FAILURE;
int /*<<< orphan*/ INADDR_ANY;
int /*<<< orphan*/ IPPROTO_IP;
int /*<<< orphan*/ IP_ADD_MEMBERSHIP;
int /*<<< orphan*/ SOCK_DGRAM;
int /*<<< orphan*/ atoi(char *);
int bind(int, struct sockaddr *, int);
int /*<<< orphan*/ close(int);
int /*<<< orphan*/ exit(int /*<<< orphan*/);
int /*<<< orphan*/ fprintf(int /*<<< orphan*/, char *, char *);
void *htonl(int /*<<< orphan*/);
int /*<<< orphan*/ htons(int /*<<< orphan*/);
int /*<<< orphan*/ inet_addr(char *);
int /*<<< orphan*/ memset(struct sockaddr_in *, int /*<<< orphan*/, int);
int /*<<< orphan*/ perror(char *);
int /*<<< orphan*/ printf(char *, char *);
int recvfrom(int, char *, int, int /*<<< orphan*/, int /*<<< orphan*/ *,
             int /*<<< orphan*/ *);
int setsockopt(int, int /*<<< orphan*/, int /*<<< orphan*/, struct ip_mreq *,
               int);
int socket(int /*<<< orphan*/, int /*<<< orphan*/, int /*<<< orphan*/);
int /*<<< orphan*/ stderr;
int main(int argc, char *argv[]) {
  int sockfd;
  struct sockaddr_in mul_addr;
  struct ip_mreq join_addr;
  int str_len, ret;
  char buf[128];
  if (argc != 3) {
    fprintf(stderr, "Usage: %s <ip> <port>\n", argv[0]);
    exit(EXIT_FAILURE);
  }
  sockfd = socket(AF_INET, SOCK_DGRAM, 0);
  if (sockfd == -1) {
    perror("socket() failed");
    exit(EXIT_FAILURE);
  }
  memset(&mul_addr, 0, sizeof(mul_addr));
  mul_addr.sin_family = AF_INET;
  mul_addr.sin_addr.s_addr = htonl(INADDR_ANY);
  mul_addr.sin_port = htons(atoi(argv[2]));
  ret = bind(sockfd, (struct sockaddr *)&mul_addr, sizeof(mul_addr));
  if (ret == -1) {
    perror("bind() failed");
    exit(EXIT_FAILURE);
  }
  join_addr.imr_multiaddr.s_addr = inet_addr(argv[1]);
  join_addr.imr_interface.s_addr = htonl(INADDR_ANY);
  ret = setsockopt(sockfd, IPPROTO_IP, IP_ADD_MEMBERSHIP, &join_addr,
                   sizeof(join_addr));
  if (ret == -1) {
    perror("setsockopt() failed");
    exit(EXIT_FAILURE);
  }
  while (1) {
    str_len = recvfrom(sockfd, buf, sizeof(buf), 0, NULL, NULL);
    if (str_len < 0)
      break;
    buf[str_len] = '\0';
    printf("[recv] %s\n", buf);
  }
  close(sockfd);
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0xd0,%rsp
movl   $0x0,-0x4(%rbp)
mov    %edi,-0x8(%rbp)
mov    %rsi,-0x10(%rbp)
cmpl   $0x3,-0x8(%rbp)
je     122d <main+0x4d>
mov    0x2dae(%rip),%rax
mov    (%rax),%edi
mov    -0x10(%rbp),%rax
mov    (%rax),%rdx
lea    0xde6(%rip),%rsi
call   10a0 <fprintf@plt>
mov    0x2d8a(%rip),%rax
mov    (%rax),%edi
call   10f0 <exit@plt>
mov    0x2dac(%rip),%rax
mov    (%rax),%edi
mov    0x2d8b(%rip),%rax
mov    (%rax),%esi
xor    %edx,%edx
call   1100 <socket@plt>
mov    %eax,-0x14(%rbp)
cmpl   $0xffffffff,-0x14(%rbp)
jne    126d <main+0x8d>
lea    0xdbd(%rip),%rdi
call   10d0 <perror@plt>
mov    0x2d4a(%rip),%rax
mov    (%rax),%edi
call   10f0 <exit@plt>
lea    -0x30(%rbp),%rdi
xor    %esi,%esi
mov    $0x18,%edx
call   1070 <memset@plt>
mov    0x2d5c(%rip),%rax
mov    (%rax),%eax
mov    %eax,-0x20(%rbp)
mov    0x2d40(%rip),%rax
mov    (%rax),%edi
call   1060 <htonl@plt>
mov    %rax,-0x28(%rbp)
mov    -0x10(%rbp),%rax
mov    0x10(%rax),%rdi
call   10e0 <atoi@plt>
mov    %eax,%edi
call   1040 <htons@plt>
mov    %eax,-0x30(%rbp)
mov    -0x14(%rbp),%edi
lea    -0x30(%rbp),%rsi
mov    $0x18,%edx
call   10c0 <bind@plt>
mov    %eax,-0x48(%rbp)
cmpl   $0xffffffff,-0x48(%rbp)
jne    12ea <main+0x10a>
lea    0xd50(%rip),%rdi
call   10d0 <perror@plt>
mov    0x2ccd(%rip),%rax
mov    (%rax),%edi
call   10f0 <exit@plt>
mov    -0x10(%rbp),%rax
mov    0x8(%rax),%rdi
call   1090 <inet_addr@plt>
mov    %eax,-0x38(%rbp)
mov    0x2ccf(%rip),%rax
mov    (%rax),%edi
call   1060 <htonl@plt>
mov    %rax,-0x40(%rbp)
mov    -0x14(%rbp),%edi
mov    0x2cc2(%rip),%rax
mov    (%rax),%esi
mov    0x2cc9(%rip),%rax
mov    (%rax),%edx
lea    -0x40(%rbp),%rcx
mov    $0x10,%r8d
call   1030 <setsockopt@plt>
mov    %eax,-0x48(%rbp)
cmpl   $0xffffffff,-0x48(%rbp)
jne    1357 <main+0x177>
lea    0xcf1(%rip),%rdi
call   10d0 <perror@plt>
mov    0x2c60(%rip),%rax
mov    (%rax),%edi
call   10f0 <exit@plt>
jmp    135c <main+0x17c>
mov    -0x14(%rbp),%edi
lea    -0xd0(%rbp),%rsi
mov    $0x80,%edx
xor    %ecx,%ecx
xor    %eax,%eax
mov    %eax,%r9d
mov    %r9,%r8
call   10b0 <recvfrom@plt>
mov    %eax,-0x44(%rbp)
cmpl   $0x0,-0x44(%rbp)
jge    138c <main+0x1ac>
jmp    13b0 <main+0x1d0>
movslq -0x44(%rbp),%rax
movb   $0x0,-0xd0(%rbp,%rax,1)
lea    -0xd0(%rbp),%rsi
lea    0xca3(%rip),%rdi
call   1050 <printf@plt>
jmp    135c <main+0x17c>
mov    -0x14(%rbp),%edi
call   1080 <close@plt>
xor    %eax,%eax
add    $0xd0,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbp
push   %r15
push   %r14
push   %r12
push   %rbx
sub    $0xb0,%rsp
mov    %rsi,%r14
cmp    $0x3,%edi
jne    1338 <main+0x158>
mov    0x2dde(%rip),%rbx
mov    (%rbx),%edi
mov    0x2dbd(%rip),%rax
mov    (%rax),%esi
xor    %edx,%edx
call   1100 <socket@plt>
cmp    $0xffffffff,%eax
je     1352 <main+0x172>
mov    %eax,%r12d
lea    0x18(%rsp),%r15
mov    %r15,%rdi
xor    %esi,%esi
mov    $0x18,%edx
call   1070 <memset@plt>
mov    (%rbx),%eax
mov    %eax,0x28(%rsp)
mov    0x2d8f(%rip),%rbx
mov    (%rbx),%edi
call   1060 <htonl@plt>
mov    %rax,0x20(%rsp)
mov    0x10(%r14),%rdi
call   10e0 <atoi@plt>
mov    %eax,%edi
call   1040 <htons@plt>
mov    %eax,0x18(%rsp)
mov    %r12d,%edi
mov    %r15,%rsi
mov    $0x18,%edx
call   10c0 <bind@plt>
cmp    $0xffffffff,%eax
je     135b <main+0x17b>
mov    0x8(%r14),%rdi
call   1090 <inet_addr@plt>
mov    %eax,0x10(%rsp)
mov    (%rbx),%edi
call   1060 <htonl@plt>
mov    %rax,0x8(%rsp)
mov    0x2d3e(%rip),%rax
mov    (%rax),%esi
mov    0x2d45(%rip),%rax
mov    (%rax),%edx
lea    0x8(%rsp),%rcx
mov    %r12d,%edi
mov    $0x10,%r8d
call   1030 <setsockopt@plt>
cmp    $0xffffffff,%eax
je     1364 <main+0x184>
lea    0x30(%rsp),%rsi
mov    %r12d,%edi
mov    $0x80,%edx
xor    %ecx,%ecx
xor    %r8d,%r8d
xor    %r9d,%r9d
call   10b0 <recvfrom@plt>
test   %eax,%eax
js     131e <main+0x13e>
lea    0xd63(%rip),%rbx
lea    0x30(%rsp),%rbp
nopl   0x0(%rax,%rax,1)
mov    %eax,%eax
movb   $0x0,0x30(%rsp,%rax,1)
mov    %rbx,%rdi
mov    %rbp,%rsi
call   1050 <printf@plt>
mov    %r12d,%edi
mov    %rbp,%rsi
mov    $0x80,%edx
xor    %ecx,%ecx
xor    %r8d,%r8d
xor    %r9d,%r9d
call   10b0 <recvfrom@plt>
test   %eax,%eax
jns    12f0 <main+0x110>
mov    %r12d,%edi
call   1080 <close@plt>
xor    %eax,%eax
add    $0xb0,%rsp
pop    %rbx
pop    %r12
pop    %r14
pop    %r15
pop    %rbp
ret
mov    0x2c79(%rip),%rax
mov    (%rax),%edi
mov    (%r14),%rdx
lea    0xcb5(%rip),%rsi
call   10a0 <fprintf@plt>
jmp    1370 <main+0x190>
lea    0xcbe(%rip),%rdi
jmp    136b <main+0x18b>
lea    0xcc5(%rip),%rdi
jmp    136b <main+0x18b>
lea    0xcca(%rip),%rdi
call   10d0 <perror@plt>
mov    0x2c39(%rip),%rax
mov    (%rax),%edi
call   10f0 <exit@plt>

LLVM IR (-O0):
%struct.sockaddr_in = type { i32, %struct.TYPE_4__, i32 }
%struct.TYPE_4__ = type { i8* }
%struct.ip_mreq = type { %struct.TYPE_6__, %struct.TYPE_5__ }
%struct.TYPE_6__ = type { i8* }
%struct.TYPE_5__ = type { i32 }
%struct.sockaddr = type { i32 }
@stderr = global i32 0
@.str = [23 x i8] c"Usage: %s <ip> <port>\0A\00"
@EXIT_FAILURE = global i32 0
@AF_INET = global i32 0
@SOCK_DGRAM = global i32 0
@.str.1 = [16 x i8] c"socket() failed\00"
@INADDR_ANY = global i32 0
@.str.2 = [14 x i8] c"bind() failed\00"
@IPPROTO_IP = global i32 0
@IP_ADD_MEMBERSHIP = global i32 0
@.str.3 = [20 x i8] c"setsockopt() failed\00"
@.str.4 = [11 x i8] c"[recv] %s\0A\00"
define i32 @main(i32 %0, i8** %1) {
%3 = alloca i32
%4 = alloca i32
%5 = alloca i8**
%6 = alloca i32
%7 = alloca %struct.sockaddr_in
%8 = alloca %struct.ip_mreq
%9 = alloca i32
%10 = alloca i32
%11 = alloca [128 x i8]
store i32 0, i32* %3
store i32 %0, i32* %4
store i8** %1, i8*** %5
%12 = load i32, i32* %4
%13 = icmp ne i32 %12, 3
br i1 %13, label %14, label %22
14: ; preds = %2
%15 = load i32, i32* @stderr
%16 = load i8**, i8*** %5
%17 = getelementptr inbounds i8*, i8** %16, i64 0
%18 = load i8*, i8** %17
%19 = call i32 @fprintf(i32 %15, i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str, i64 0, i64 0), i8* %18)
%20 = load i32, i32* @EXIT_FAILURE
%21 = call i32 @exit(i32 %20)
unreachable
22: ; preds = %2
%23 = load i32, i32* @AF_INET
%24 = load i32, i32* @SOCK_DGRAM
%25 = call i32 @socket(i32 %23, i32 %24, i32 0)
store i32 %25, i32* %6
%26 = load i32, i32* %6
%27 = icmp eq i32 %26, -1
br i1 %27, label %28, label %32
28: ; preds = %22
%29 = call i32 @perror(i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str.1, i64 0, i64 0))
%30 = load i32, i32* @EXIT_FAILURE
%31 = call i32 @exit(i32 %30)
unreachable
32: ; preds = %22
%33 = call i32 @memset(%struct.sockaddr_in* %7, i32 0, i32 24)
%34 = load i32, i32* @AF_INET
%35 = getelementptr inbounds %struct.sockaddr_in, %struct.sockaddr_in* %7, i32 0, i32 2
store i32 %34, i32* %35
%36 = load i32, i32* @INADDR_ANY
%37 = call i8* @htonl(i32 %36)
%38 = getelementptr inbounds %struct.sockaddr_in, %struct.sockaddr_in* %7, i32 0, i32 1
%39 = getelementptr inbounds %struct.TYPE_4__, %struct.TYPE_4__* %38, i32 0, i32 0
store i8* %37, i8** %39
%40 = load i8**, i8*** %5
%41 = getelementptr inbounds i8*, i8** %40, i64 2
%42 = load i8*, i8** %41
%43 = call i32 @atoi(i8* %42)
%44 = call i32 @htons(i32 %43)
%45 = getelementptr inbounds %struct.sockaddr_in, %struct.sockaddr_in* %7, i32 0, i32 0
store i32 %44, i32* %45
%46 = load i32, i32* %6
%47 = bitcast %struct.sockaddr_in* %7 to %struct.sockaddr*
%48 = call i32 @bind(i32 %46, %struct.sockaddr* %47, i32 24)
store i32 %48, i32* %10
%49 = load i32, i32* %10
%50 = icmp eq i32 %49, -1
br i1 %50, label %51, label %55
51: ; preds = %32
%52 = call i32 @perror(i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.2, i64 0, i64 0))
%53 = load i32, i32* @EXIT_FAILURE
%54 = call i32 @exit(i32 %53)
unreachable
55: ; preds = %32
%56 = load i8**, i8*** %5
%57 = getelementptr inbounds i8*, i8** %56, i64 1
%58 = load i8*, i8** %57
%59 = call i32 @inet_addr(i8* %58)
%60 = getelementptr inbounds %struct.ip_mreq, %struct.ip_mreq* %8, i32 0, i32 1
%61 = getelementptr inbounds %struct.TYPE_5__, %struct.TYPE_5__* %60, i32 0, i32 0
store i32 %59, i32* %61
%62 = load i32, i32* @INADDR_ANY
%63 = call i8* @htonl(i32 %62)
%64 = getelementptr inbounds %struct.ip_mreq, %struct.ip_mreq* %8, i32 0, i32 0
%65 = getelementptr inbounds %struct.TYPE_6__, %struct.TYPE_6__* %64, i32 0, i32 0
store i8* %63, i8** %65
%66 = load i32, i32* %6
%67 = load i32, i32* @IPPROTO_IP
%68 = load i32, i32* @IP_ADD_MEMBERSHIP
%69 = call i32 @setsockopt(i32 %66, i32 %67, i32 %68, %struct.ip_mreq* %8, i32 16)
store i32 %69, i32* %10
%70 = load i32, i32* %10
%71 = icmp eq i32 %70, -1
br i1 %71, label %72, label %76
72: ; preds = %55
%73 = call i32 @perror(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.3, i64 0, i64 0))
%74 = load i32, i32* @EXIT_FAILURE
%75 = call i32 @exit(i32 %74)
unreachable
76: ; preds = %55
br label %77
77: ; preds = %76, %84
%78 = load i32, i32* %6
%79 = getelementptr inbounds [128 x i8], [128 x i8]* %11, i64 0, i64 0
%80 = call i32 @recvfrom(i32 %78, i8* %79, i32 128, i32 0, i32* null, i32* null)
store i32 %80, i32* %9
%81 = load i32, i32* %9
%82 = icmp slt i32 %81, 0
br i1 %82, label %83, label %84
83: ; preds = %77
br label %90
84: ; preds = %77
%85 = load i32, i32* %9
%86 = sext i32 %85 to i64
%87 = getelementptr inbounds [128 x i8], [128 x i8]* %11, i64 0, i64 %86
store i8 0, i8* %87
%88 = getelementptr inbounds [128 x i8], [128 x i8]* %11, i64 0, i64 0
%89 = call i32 @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.4, i64 0, i64 0), i8* %88)
br label %77
90: ; preds = %83
%91 = load i32, i32* %6
%92 = call i32 @close(i32 %91)
ret i32 0
}

LLVM IR (-O2):
%struct.sockaddr_in = type { i32, %struct.TYPE_4__, i32 }
%struct.TYPE_4__ = type { i8* }
%struct.ip_mreq = type { %struct.TYPE_6__, %struct.TYPE_5__ }
%struct.TYPE_6__ = type { i8* }
%struct.TYPE_5__ = type { i32 }
%struct.sockaddr = type { i32 }
@stderr = global i32 0
@.str = [23 x i8] c"Usage: %s <ip> <port>\0A\00"
@EXIT_FAILURE = global i32 0
@AF_INET = global i32 0
@SOCK_DGRAM = global i32 0
@.str.1 = [16 x i8] c"socket() failed\00"
@INADDR_ANY = global i32 0
@.str.2 = [14 x i8] c"bind() failed\00"
@IPPROTO_IP = global i32 0
@IP_ADD_MEMBERSHIP = global i32 0
@.str.3 = [20 x i8] c"setsockopt() failed\00"
@.str.4 = [11 x i8] c"[recv] %s\0A\00"
define i32 @main(i32 %0, i8** nocapture %1) {
%3 = alloca %struct.sockaddr_in
%4 = alloca %struct.ip_mreq
%5 = alloca [128 x i8]
%6 = bitcast %struct.sockaddr_in* %3 to i8*
%7 = bitcast %struct.ip_mreq* %4 to i8*
%8 = getelementptr inbounds [128 x i8], [128 x i8]* %5, i64 0, i64 0
%9 = icmp eq i32 %0, 3
br i1 %9, label %16, label %10
10: ; preds = %2
%11 = load i32, i32* @stderr
%12 = load i8*, i8** %1
%13 = tail call i32 @fprintf(i32 %11, i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str, i64 0, i64 0), i8* %12)
%14 = load i32, i32* @EXIT_FAILURE
%15 = tail call i32 @exit(i32 %14)
unreachable
16: ; preds = %2
%17 = load i32, i32* @AF_INET
%18 = load i32, i32* @SOCK_DGRAM
%19 = tail call i32 @socket(i32 %17, i32 %18, i32 0)
%20 = icmp eq i32 %19, -1
br i1 %20, label %21, label %25
21: ; preds = %16
%22 = tail call i32 @perror(i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str.1, i64 0, i64 0))
%23 = load i32, i32* @EXIT_FAILURE
%24 = tail call i32 @exit(i32 %23)
unreachable
25: ; preds = %16
%26 = call i32 @memset(%struct.sockaddr_in* %3, i32 0, i32 24)
%27 = load i32, i32* @AF_INET
%28 = getelementptr inbounds %struct.sockaddr_in, %struct.sockaddr_in* %3, i64 0, i32 2
store i32 %27, i32* %28
%29 = load i32, i32* @INADDR_ANY
%30 = call i8* @htonl(i32 %29)
%31 = getelementptr inbounds %struct.sockaddr_in, %struct.sockaddr_in* %3, i64 0, i32 1, i32 0
store i8* %30, i8** %31
%32 = getelementptr inbounds i8*, i8** %1, i64 2
%33 = load i8*, i8** %32
%34 = call i32 @atoi(i8* %33)
%35 = call i32 @htons(i32 %34)
%36 = getelementptr inbounds %struct.sockaddr_in, %struct.sockaddr_in* %3, i64 0, i32 0
store i32 %35, i32* %36
%37 = bitcast %struct.sockaddr_in* %3 to %struct.sockaddr*
%38 = call i32 @bind(i32 %19, %struct.sockaddr* %37, i32 24)
%39 = icmp eq i32 %38, -1
br i1 %39, label %40, label %44
40: ; preds = %25
%41 = call i32 @perror(i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.2, i64 0, i64 0))
%42 = load i32, i32* @EXIT_FAILURE
%43 = call i32 @exit(i32 %42)
unreachable
44: ; preds = %25
%45 = getelementptr inbounds i8*, i8** %1, i64 1
%46 = load i8*, i8** %45
%47 = call i32 @inet_addr(i8* %46)
%48 = getelementptr inbounds %struct.ip_mreq, %struct.ip_mreq* %4, i64 0, i32 1, i32 0
store i32 %47, i32* %48
%49 = load i32, i32* @INADDR_ANY
%50 = call i8* @htonl(i32 %49)
%51 = getelementptr inbounds %struct.ip_mreq, %struct.ip_mreq* %4, i64 0, i32 0, i32 0
store i8* %50, i8** %51
%52 = load i32, i32* @IPPROTO_IP
%53 = load i32, i32* @IP_ADD_MEMBERSHIP
%54 = call i32 @setsockopt(i32 %19, i32 %52, i32 %53, %struct.ip_mreq* %4, i32 16)
%55 = icmp eq i32 %54, -1
br i1 %55, label %59, label %56
56: ; preds = %44
%57 = call i32 @recvfrom(i32 %19, i8* %8, i32 128, i32 0, i32* null, i32* null)
%58 = icmp slt i32 %57, 0
br i1 %58, label %70, label %63
59: ; preds = %44
%60 = call i32 @perror(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.3, i64 0, i64 0))
%61 = load i32, i32* @EXIT_FAILURE
%62 = call i32 @exit(i32 %61)
unreachable
63: ; preds = %56, %63
%64 = phi i32 [ %68, %63 ], [ %57, %56 ]
%65 = zext i32 %64 to i64
%66 = getelementptr inbounds [128 x i8], [128 x i8]* %5, i64 0, i64 %65
store i8 0, i8* %66
%67 = call i32 @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.4, i64 0, i64 0), i8* %8)
%68 = call i32 @recvfrom(i32 %19, i8* %8, i32 128, i32 0, i32* null, i32* null)
%69 = icmp slt i32 %68, 0
br i1 %69, label %70, label %63
70: ; preds = %63, %56
%71 = call i32 @close(i32 %19)
ret i32 0
}