#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 */
typedef scalar_t__ pid_t;

/* Variables and functions */
int /*<<< orphan*/ STDIN_FILENO;
int /*<<< orphan*/ STDOUT_FILENO;
int /*<<< orphan*/ close(int);
int dup2(int, int /*<<< orphan*/);
int /*<<< orphan*/ execl(char *, char *, ...);
scalar_t__ fork();
int /*<<< orphan*/ perror(char *);
int pipe(int *);
int main() {
  pid_t catPid, awkPid;
  int catPipe[2], awkPipe[2];
  if (pipe(catPipe) == -1)
    perror("pipe: catPipe");
  catPid = fork();
  if (catPid == 0) {
    close(catPipe[0]);
    if (dup2(catPipe[1], STDOUT_FILENO) == -1)
      perror("dup2: catPipe[1], STDOUT");
    execl("/bin/cat", "cat", "/etc/passwd", (char *)NULL);
    perror("cat");
  } else if (catPid > 0) {
    close(catPipe[1]);
    if (pipe(awkPipe) == -1)
      perror("pipe: awkPipe");
    awkPid = fork();
    if (awkPid == 0) {
      close(awkPipe[0]);
      if (dup2(catPipe[0], STDIN_FILENO) == -1)
        perror("dup2: catPipe[0], STDIN_FILENO");
      if (dup2(awkPipe[1], STDOUT_FILENO) == -1)
        perror("dup2: catPipe[1], STDOUT_FILENO");
      execl("/usr/bin/awk", "awk", "-F", ":", "{ print $1; }", "-",
            (char *)NULL);
      perror("execl : awk");
    } else if (awkPid > 0) {
      close(awkPipe[1]);
      if (dup2(awkPipe[0], STDIN_FILENO) == -1)
        perror("dup2: awkPipe[0], STDIN");
      execl("/usr/bin/sort", "sort");
      perror("sort");
    } else {
      perror("fork2");
    }
  } else {
    perror("fork1");
  }
  return 0;
}


x86 assembly (clang, -O0):
<main>:
push   %rbp
mov    %rsp,%rbp
sub    $0x30,%rsp
movl   $0x0,-0x4(%rbp)
lea    -0x20(%rbp),%rdi
call   1050 <pipe@plt>
cmp    $0xffffffff,%eax
jne    118d <main+0x2d>
lea    0xe78(%rip),%rdi
call   1060 <perror@plt>
mov    $0x0,%al
call   1080 <fork@plt>
mov    %rax,-0x10(%rbp)
cmpq   $0x0,-0x10(%rbp)
jne    1202 <main+0xa2>
mov    -0x20(%rbp),%edi
call   1040 <close@plt>
mov    -0x1c(%rbp),%edi
mov    0x2e3b(%rip),%rax
mov    (%rax),%esi
call   1030 <dup2@plt>
cmp    $0xffffffff,%eax
jne    11d1 <main+0x71>
lea    0xe42(%rip),%rdi
call   1060 <perror@plt>
lea    0xe4f(%rip),%rdi
lea    0xe4d(%rip),%rsi
lea    0xe4a(%rip),%rdx
xor    %eax,%eax
mov    %eax,%ecx
mov    $0x0,%al
call   1070 <execl@plt>
lea    0xe34(%rip),%rdi
call   1060 <perror@plt>
jmp    136f <main+0x20f>
cmpq   $0x0,-0x10(%rbp)
jle    135e <main+0x1fe>
mov    -0x1c(%rbp),%edi
call   1040 <close@plt>
lea    -0x28(%rbp),%rdi
call   1050 <pipe@plt>
cmp    $0xffffffff,%eax
jne    1233 <main+0xd3>
lea    0xe0e(%rip),%rdi
call   1060 <perror@plt>
mov    $0x0,%al
call   1080 <fork@plt>
mov    %rax,-0x18(%rbp)
cmpq   $0x0,-0x18(%rbp)
jne    12e9 <main+0x189>
mov    -0x28(%rbp),%edi
call   1040 <close@plt>
mov    -0x20(%rbp),%edi
mov    0x2d7d(%rip),%rax
mov    (%rax),%esi
call   1030 <dup2@plt>
cmp    $0xffffffff,%eax
jne    1277 <main+0x117>
lea    0xdd8(%rip),%rdi
call   1060 <perror@plt>
mov    -0x24(%rbp),%edi
mov    0x2d6f(%rip),%rax
mov    (%rax),%esi
call   1030 <dup2@plt>
cmp    $0xffffffff,%eax
jne    129d <main+0x13d>
lea    0xdd1(%rip),%rdi
call   1060 <perror@plt>
lea    0xde5(%rip),%rdi
lea    0xe08(%rip),%rsi
lea    0xde4(%rip),%rdx
lea    0xde0(%rip),%rcx
lea    0xddb(%rip),%r8
lea    0xde2(%rip),%r9
xor    %eax,%eax
movq   $0x0,(%rsp)
mov    $0x0,%al
call   1070 <execl@plt>
lea    0xdcc(%rip),%rdi
call   1060 <perror@plt>
jmp    1359 <main+0x1f9>
cmpq   $0x0,-0x18(%rbp)
jle    1348 <main+0x1e8>
mov    -0x24(%rbp),%edi
call   1040 <close@plt>
mov    -0x28(%rbp),%edi
mov    0x2cd2(%rip),%rax
mov    (%rax),%esi
call   1030 <dup2@plt>
cmp    $0xffffffff,%eax
jne    1322 <main+0x1c2>
lea    0xd9a(%rip),%rdi
call   1060 <perror@plt>
lea    0xda6(%rip),%rdi
lea    0xda8(%rip),%rsi
mov    $0x0,%al
call   1070 <execl@plt>
lea    0xd9a(%rip),%rdi
call   1060 <perror@plt>
jmp    1354 <main+0x1f4>
lea    0xd8e(%rip),%rdi
call   1060 <perror@plt>
jmp    1359 <main+0x1f9>
jmp    136a <main+0x20a>
lea    0xd7e(%rip),%rdi
call   1060 <perror@plt>
jmp    136f <main+0x20f>
xor    %eax,%eax
add    $0x30,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<main>:
push   %rbx
sub    $0x20,%rsp
lea    0x18(%rsp),%rdi
call   1050 <pipe@plt>
cmp    $0xffffffff,%eax
jne    1180 <main+0x20>
lea    0xe85(%rip),%rdi
call   1060 <perror@plt>
xor    %eax,%eax
call   1080 <fork@plt>
test   %rax,%rax
jne    11de <main+0x7e>
mov    0x18(%rsp),%edi
call   1040 <close@plt>
mov    0x1c(%rsp),%edi
mov    0x2e50(%rip),%rax
mov    (%rax),%esi
call   1030 <dup2@plt>
cmp    $0xffffffff,%eax
jne    11b8 <main+0x58>
lea    0xe5b(%rip),%rdi
call   1060 <perror@plt>
lea    0xe68(%rip),%rdi
lea    0xe66(%rip),%rbx
lea    0xe63(%rip),%rdx
mov    %rbx,%rsi
xor    %ecx,%ecx
xor    %eax,%eax
call   1070 <execl@plt>
jmp    12b0 <main+0x150>
jle    12a9 <main+0x149>
mov    0x1c(%rsp),%edi
call   1040 <close@plt>
lea    0x10(%rsp),%rdi
call   1050 <pipe@plt>
cmp    $0xffffffff,%eax
jne    1208 <main+0xa8>
lea    0xe39(%rip),%rdi
call   1060 <perror@plt>
xor    %eax,%eax
call   1080 <fork@plt>
test   %rax,%rax
jne    12c0 <main+0x160>
mov    0x10(%rsp),%edi
call   1040 <close@plt>
mov    0x18(%rsp),%edi
mov    0x2dac(%rip),%rax
mov    (%rax),%esi
call   1030 <dup2@plt>
cmp    $0xffffffff,%eax
jne    1244 <main+0xe4>
lea    0xe0b(%rip),%rdi
call   1060 <perror@plt>
mov    0x14(%rsp),%edi
mov    0x2da1(%rip),%rax
mov    (%rax),%esi
call   1030 <dup2@plt>
cmp    $0xffffffff,%eax
jne    1267 <main+0x107>
lea    0xe07(%rip),%rdi
call   1060 <perror@plt>
movq   $0x0,(%rsp)
lea    0xe13(%rip),%rdi
lea    0xe36(%rip),%rsi
lea    0xe12(%rip),%rdx
lea    0xe0e(%rip),%rcx
lea    0xe09(%rip),%r8
lea    0xe10(%rip),%r9
xor    %eax,%eax
call   1070 <execl@plt>
lea    0xe04(%rip),%rbx
jmp    12b0 <main+0x150>
lea    0xe33(%rip),%rbx
mov    %rbx,%rdi
call   1060 <perror@plt>
xor    %eax,%eax
add    $0x20,%rsp
pop    %rbx
ret
jle    1308 <main+0x1a8>
mov    0x14(%rsp),%edi
call   1040 <close@plt>
mov    0x10(%rsp),%edi
mov    0x2d02(%rip),%rax
mov    (%rax),%esi
call   1030 <dup2@plt>
cmp    $0xffffffff,%eax
jne    12ee <main+0x18e>
lea    0xdce(%rip),%rdi
call   1060 <perror@plt>
lea    0xdda(%rip),%rdi
lea    0xddc(%rip),%rbx
mov    %rbx,%rsi
xor    %eax,%eax
call   1070 <execl@plt>
jmp    12b0 <main+0x150>
lea    0xdce(%rip),%rbx
jmp    12b0 <main+0x150>

LLVM IR (-O0):
@.str = [14 x i8] c"pipe: catPipe\00"
@STDOUT_FILENO = global i32 0
@.str.1 = [25 x i8] c"dup2: catPipe[1], STDOUT\00"
@.str.2 = [9 x i8] c"/bin/cat\00"
@.str.3 = [4 x i8] c"cat\00"
@.str.4 = [12 x i8] c"/etc/passwd\00"
@.str.5 = [14 x i8] c"pipe: awkPipe\00"
@STDIN_FILENO = global i32 0
@.str.6 = [31 x i8] c"dup2: catPipe[0], STDIN_FILENO\00"
@.str.7 = [32 x i8] c"dup2: catPipe[1], STDOUT_FILENO\00"
@.str.8 = [13 x i8] c"/usr/bin/awk\00"
@.str.9 = [4 x i8] c"awk\00"
@.str.10 = [3 x i8] c"-F\00"
@.str.11 = [2 x i8] c":\00"
@.str.12 = [14 x i8] c"{ print $1; }\00"
@.str.13 = [2 x i8] c"-\00"
@.str.14 = [12 x i8] c"execl : awk\00"
@.str.15 = [24 x i8] c"dup2: awkPipe[0], STDIN\00"
@.str.16 = [14 x i8] c"/usr/bin/sort\00"
@.str.17 = [5 x i8] c"sort\00"
@.str.18 = [6 x i8] c"fork2\00"
@.str.19 = [6 x i8] c"fork1\00"
define i32 @main() {
%1 = alloca i32
%2 = alloca i64
%3 = alloca i64
%4 = alloca [2 x i32]
%5 = alloca [2 x i32]
store i32 0, i32* %1
%6 = getelementptr inbounds [2 x i32], [2 x i32]* %4, i64 0, i64 0
%7 = call i32 @pipe(i32* %6)
%8 = icmp eq i32 %7, -1
br i1 %8, label %9, label %11
9: ; preds = %0
%10 = call i32 @perror(i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str, i64 0, i64 0))
br label %11
11: ; preds = %9, %0
%12 = call i64 (...) @fork()
store i64 %12, i64* %2
%13 = load i64, i64* %2
%14 = icmp eq i64 %13, 0
br i1 %14, label %15, label %29
15: ; preds = %11
%16 = getelementptr inbounds [2 x i32], [2 x i32]* %4, i64 0, i64 0
%17 = load i32, i32* %16
%18 = call i32 @close(i32 %17)
%19 = getelementptr inbounds [2 x i32], [2 x i32]* %4, i64 0, i64 1
%20 = load i32, i32* %19
%21 = load i32, i32* @STDOUT_FILENO
%22 = call i32 @dup2(i32 %20, i32 %21)
%23 = icmp eq i32 %22, -1
br i1 %23, label %24, label %26
24: ; preds = %15
%25 = call i32 @perror(i8* getelementptr inbounds ([25 x i8], [25 x i8]* @.str.1, i64 0, i64 0))
br label %26
26: ; preds = %24, %15
%27 = call i32 (i8*, i8*, ...) @execl(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.2, i64 0, i64 0), i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.3, i64 0, i64 0), i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.4, i64 0, i64 0), i8* null)
%28 = call i32 @perror(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.3, i64 0, i64 0))
br label %91
29: ; preds = %11
%30 = load i64, i64* %2
%31 = icmp sgt i64 %30, 0
br i1 %31, label %32, label %88
32: ; preds = %29
%33 = getelementptr inbounds [2 x i32], [2 x i32]* %4, i64 0, i64 1
%34 = load i32, i32* %33
%35 = call i32 @close(i32 %34)
%36 = getelementptr inbounds [2 x i32], [2 x i32]* %5, i64 0, i64 0
%37 = call i32 @pipe(i32* %36)
%38 = icmp eq i32 %37, -1
br i1 %38, label %39, label %41
39: ; preds = %32
%40 = call i32 @perror(i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.5, i64 0, i64 0))
br label %41
41: ; preds = %39, %32
%42 = call i64 (...) @fork()
store i64 %42, i64* %3
%43 = load i64, i64* %3
%44 = icmp eq i64 %43, 0
br i1 %44, label %45, label %67
45: ; preds = %41
%46 = getelementptr inbounds [2 x i32], [2 x i32]* %5, i64 0, i64 0
%47 = load i32, i32* %46
%48 = call i32 @close(i32 %47)
%49 = getelementptr inbounds [2 x i32], [2 x i32]* %4, i64 0, i64 0
%50 = load i32, i32* %49
%51 = load i32, i32* @STDIN_FILENO
%52 = call i32 @dup2(i32 %50, i32 %51)
%53 = icmp eq i32 %52, -1
br i1 %53, label %54, label %56
54: ; preds = %45
%55 = call i32 @perror(i8* getelementptr inbounds ([31 x i8], [31 x i8]* @.str.6, i64 0, i64 0))
br label %56
56: ; preds = %54, %45
%57 = getelementptr inbounds [2 x i32], [2 x i32]* %5, i64 0, i64 1
%58 = load i32, i32* %57
%59 = load i32, i32* @STDOUT_FILENO
%60 = call i32 @dup2(i32 %58, i32 %59)
%61 = icmp eq i32 %60, -1
br i1 %61, label %62, label %64
62: ; preds = %56
%63 = call i32 @perror(i8* getelementptr inbounds ([32 x i8], [32 x i8]* @.str.7, i64 0, i64 0))
br label %64
64: ; preds = %62, %56
%65 = call i32 (i8*, i8*, ...) @execl(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.8, i64 0, i64 0), i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.9, i64 0, i64 0), i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.10, i64 0, i64 0), i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.11, i64 0, i64 0), i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.12, i64 0, i64 0), i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.13, i64 0, i64 0), i8* null)
%66 = call i32 @perror(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.14, i64 0, i64 0))
br label %87
67: ; preds = %41
%68 = load i64, i64* %3
%69 = icmp sgt i64 %68, 0
br i1 %69, label %70, label %84
70: ; preds = %67
%71 = getelementptr inbounds [2 x i32], [2 x i32]* %5, i64 0, i64 1
%72 = load i32, i32* %71
%73 = call i32 @close(i32 %72)
%74 = getelementptr inbounds [2 x i32], [2 x i32]* %5, i64 0, i64 0
%75 = load i32, i32* %74
%76 = load i32, i32* @STDIN_FILENO
%77 = call i32 @dup2(i32 %75, i32 %76)
%78 = icmp eq i32 %77, -1
br i1 %78, label %79, label %81
79: ; preds = %70
%80 = call i32 @perror(i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str.15, i64 0, i64 0))
br label %81
81: ; preds = %79, %70
%82 = call i32 (i8*, i8*, ...) @execl(i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.16, i64 0, i64 0), i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.17, i64 0, i64 0))
%83 = call i32 @perror(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.17, i64 0, i64 0))
br label %86
84: ; preds = %67
%85 = call i32 @perror(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.18, i64 0, i64 0))
br label %86
86: ; preds = %84, %81
br label %87
87: ; preds = %86, %64
br label %90
88: ; preds = %29
%89 = call i32 @perror(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.19, i64 0, i64 0))
br label %90
90: ; preds = %88, %87
br label %91
91: ; preds = %90, %26
ret i32 0
}

LLVM IR (-O2):
@.str = [14 x i8] c"pipe: catPipe\00"
@STDOUT_FILENO = global i32 0
@.str.1 = [25 x i8] c"dup2: catPipe[1], STDOUT\00"
@.str.2 = [9 x i8] c"/bin/cat\00"
@.str.3 = [4 x i8] c"cat\00"
@.str.4 = [12 x i8] c"/etc/passwd\00"
@.str.5 = [14 x i8] c"pipe: awkPipe\00"
@STDIN_FILENO = global i32 0
@.str.6 = [31 x i8] c"dup2: catPipe[0], STDIN_FILENO\00"
@.str.7 = [32 x i8] c"dup2: catPipe[1], STDOUT_FILENO\00"
@.str.8 = [13 x i8] c"/usr/bin/awk\00"
@.str.9 = [4 x i8] c"awk\00"
@.str.10 = [3 x i8] c"-F\00"
@.str.11 = [2 x i8] c":\00"
@.str.12 = [14 x i8] c"{ print $1; }\00"
@.str.13 = [2 x i8] c"-\00"
@.str.14 = [12 x i8] c"execl : awk\00"
@.str.15 = [24 x i8] c"dup2: awkPipe[0], STDIN\00"
@.str.16 = [14 x i8] c"/usr/bin/sort\00"
@.str.17 = [5 x i8] c"sort\00"
@.str.18 = [6 x i8] c"fork2\00"
@.str.19 = [6 x i8] c"fork1\00"
define i32 @main() {
%1 = alloca [2 x i32]
%2 = alloca [2 x i32]
%3 = bitcast [2 x i32]* %1 to i8*
%4 = bitcast [2 x i32]* %2 to i8*
%5 = getelementptr inbounds [2 x i32], [2 x i32]* %1, i64 0, i64 0
%6 = call i32 @pipe(i32* %5)
%7 = icmp eq i32 %6, -1
br i1 %7, label %8, label %10
8: ; preds = %0
%9 = call i32 @perror(i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str, i64 0, i64 0))
br label %10
10: ; preds = %8, %0
%11 = call i64 (...) @fork()
%12 = icmp eq i64 %11, 0
br i1 %12, label %13, label %25
13: ; preds = %10
%14 = load i32, i32* %5
%15 = call i32 @close(i32 %14)
%16 = getelementptr inbounds [2 x i32], [2 x i32]* %1, i64 0, i64 1
%17 = load i32, i32* %16
%18 = load i32, i32* @STDOUT_FILENO
%19 = call i32 @dup2(i32 %17, i32 %18)
%20 = icmp eq i32 %19, -1
br i1 %20, label %21, label %23
21: ; preds = %13
%22 = call i32 @perror(i8* getelementptr inbounds ([25 x i8], [25 x i8]* @.str.1, i64 0, i64 0))
br label %23
23: ; preds = %21, %13
%24 = call i32 (i8*, i8*, ...) @execl(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.2, i64 0, i64 0), i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.3, i64 0, i64 0), i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.4, i64 0, i64 0), i8* null)
br label %72
25: ; preds = %10
%26 = icmp sgt i64 %11, 0
br i1 %26, label %27, label %72
27: ; preds = %25
%28 = getelementptr inbounds [2 x i32], [2 x i32]* %1, i64 0, i64 1
%29 = load i32, i32* %28
%30 = call i32 @close(i32 %29)
%31 = getelementptr inbounds [2 x i32], [2 x i32]* %2, i64 0, i64 0
%32 = call i32 @pipe(i32* %31)
%33 = icmp eq i32 %32, -1
br i1 %33, label %34, label %36
34: ; preds = %27
%35 = call i32 @perror(i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.5, i64 0, i64 0))
br label %36
36: ; preds = %34, %27
%37 = call i64 (...) @fork()
%38 = icmp eq i64 %37, 0
br i1 %38, label %39, label %58
39: ; preds = %36
%40 = load i32, i32* %31
%41 = call i32 @close(i32 %40)
%42 = load i32, i32* %5
%43 = load i32, i32* @STDIN_FILENO
%44 = call i32 @dup2(i32 %42, i32 %43)
%45 = icmp eq i32 %44, -1
br i1 %45, label %46, label %48
46: ; preds = %39
%47 = call i32 @perror(i8* getelementptr inbounds ([31 x i8], [31 x i8]* @.str.6, i64 0, i64 0))
br label %48
48: ; preds = %46, %39
%49 = getelementptr inbounds [2 x i32], [2 x i32]* %2, i64 0, i64 1
%50 = load i32, i32* %49
%51 = load i32, i32* @STDOUT_FILENO
%52 = call i32 @dup2(i32 %50, i32 %51)
%53 = icmp eq i32 %52, -1
br i1 %53, label %54, label %56
54: ; preds = %48
%55 = call i32 @perror(i8* getelementptr inbounds ([32 x i8], [32 x i8]* @.str.7, i64 0, i64 0))
br label %56
56: ; preds = %54, %48
%57 = call i32 (i8*, i8*, ...) @execl(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.8, i64 0, i64 0), i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.9, i64 0, i64 0), i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.10, i64 0, i64 0), i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.11, i64 0, i64 0), i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.12, i64 0, i64 0), i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.13, i64 0, i64 0), i8* null)
br label %72
58: ; preds = %36
%59 = icmp sgt i64 %37, 0
br i1 %59, label %60, label %72
60: ; preds = %58
%61 = getelementptr inbounds [2 x i32], [2 x i32]* %2, i64 0, i64 1
%62 = load i32, i32* %61
%63 = call i32 @close(i32 %62)
%64 = load i32, i32* %31
%65 = load i32, i32* @STDIN_FILENO
%66 = call i32 @dup2(i32 %64, i32 %65)
%67 = icmp eq i32 %66, -1
br i1 %67, label %68, label %70
68: ; preds = %60
%69 = call i32 @perror(i8* getelementptr inbounds ([24 x i8], [24 x i8]* @.str.15, i64 0, i64 0))
br label %70
70: ; preds = %68, %60
%71 = call i32 (i8*, i8*, ...) @execl(i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.16, i64 0, i64 0), i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.17, i64 0, i64 0))
br label %72
72: ; preds = %25, %58, %70, %56, %23
%73 = phi i8* [ getelementptr inbounds ([5 x i8], [5 x i8]* @.str.17, i64 0, i64 0), %70 ], [ getelementptr inbounds ([12 x i8], [12 x i8]* @.str.14, i64 0, i64 0), %56 ], [ getelementptr inbounds ([4 x i8], [4 x i8]* @.str.3, i64 0, i64 0), %23 ], [ getelementptr inbounds ([6 x i8], [6 x i8]* @.str.18, i64 0, i64 0), %58 ], [ getelementptr inbounds ([6 x i8], [6 x i8]* @.str.19, i64 0, i64 0), %25 ]
%74 = call i32 @perror(i8* %73)
ret i32 0
}