#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 */
#define _PC_CHOWN_RESTRICTED 136
#define _PC_LINK_MAX 135
#define _PC_MAX_CANON 134
#define _PC_MAX_INPUT 133
#define _PC_NAME_MAX 132
#define _PC_NO_TRUNC 131
#define _PC_PATH_MAX 130
#define _PC_PIPE_BUF 129
#define _PC_VDISABLE 128
long _pathconf(int name) {
  switch (name) {
  case _PC_LINK_MAX:
    return 65535L;
  case _PC_MAX_CANON:
  case _PC_MAX_INPUT:
    return 132;
  case _PC_NAME_MAX:
    return 30;
  case _PC_PATH_MAX:
    return 512;
  case _PC_PIPE_BUF:
    return 4096;
  case _PC_CHOWN_RESTRICTED:
    return 1;
  case _PC_NO_TRUNC:
    return 0;
  case _PC_VDISABLE:
    return 1;
  }
  return -1;
}


x86 assembly (clang, -O0):
<_pathconf>:
push   %rbp
mov    %rsp,%rbp
mov    %edi,-0xc(%rbp)
mov    -0xc(%rbp),%eax
add    $0xffffff80,%eax
mov    %eax,%ecx
mov    %rcx,-0x18(%rbp)
sub    $0x8,%eax
ja     1198 <_pathconf+0x98>
mov    -0x18(%rbp),%rax
lea    0xed9(%rip),%rcx
movslq (%rcx,%rax,4),%rax
add    %rcx,%rax
jmp    *%rax
movq   $0xffff,-0x8(%rbp)
jmp    11a0 <_pathconf+0xa0>
movq   $0x84,-0x8(%rbp)
jmp    11a0 <_pathconf+0xa0>
movq   $0x1e,-0x8(%rbp)
jmp    11a0 <_pathconf+0xa0>
movq   $0x200,-0x8(%rbp)
jmp    11a0 <_pathconf+0xa0>
movq   $0x1000,-0x8(%rbp)
jmp    11a0 <_pathconf+0xa0>
movq   $0x1,-0x8(%rbp)
jmp    11a0 <_pathconf+0xa0>
movq   $0x0,-0x8(%rbp)
jmp    11a0 <_pathconf+0xa0>
movq   $0x1,-0x8(%rbp)
jmp    11a0 <_pathconf+0xa0>
movq   $0xffffffffffffffff,-0x8(%rbp)
ff
mov    -0x8(%rbp),%rax
pop    %rbp
ret

x86 assembly (clang, -O2):
<_pathconf>:
add    $0xffffff80,%edi
mov    $0xffffffffffffffff,%rax
cmp    $0x8,%edi
ja     111d <_pathconf+0x1d>
movslq %edi,%rax
lea    0xee7(%rip),%rcx
mov    (%rcx,%rax,8),%rax
ret

LLVM IR (-O0):
define i64 @_pathconf(i32 %0) {
%2 = alloca i64
%3 = alloca i32
store i32 %0, i32* %3
%4 = load i32, i32* %3
switch i32 %4, label %13 [
i32 135, label %5
i32 134, label %6
i32 133, label %6
i32 132, label %7
i32 130, label %8
i32 129, label %9
i32 136, label %10
i32 131, label %11
i32 128, label %12
]
5: ; preds = %1
store i64 65535, i64* %2
br label %14
6: ; preds = %1, %1
store i64 132, i64* %2
br label %14
7: ; preds = %1
store i64 30, i64* %2
br label %14
8: ; preds = %1
store i64 512, i64* %2
br label %14
9: ; preds = %1
store i64 4096, i64* %2
br label %14
10: ; preds = %1
store i64 1, i64* %2
br label %14
11: ; preds = %1
store i64 0, i64* %2
br label %14
12: ; preds = %1
store i64 1, i64* %2
br label %14
13: ; preds = %1
store i64 -1, i64* %2
br label %14
14: ; preds = %13, %12, %11, %10, %9, %8, %7, %6, %5
%15 = load i64, i64* %2
ret i64 %15
}

LLVM IR (-O2):
@switch.table._pathconf = [9 x i64] [i64 1, i64 4096, i64 512, i64 0, i64 30, i64 132, i64 132, i64 65535, i64 1]
define i64 @_pathconf(i32 %0) {
%2 = add i32 %0, -128
%3 = icmp ult i32 %2, 9
br i1 %3, label %4, label %8
4: ; preds = %1
%5 = sext i32 %2 to i64
%6 = getelementptr inbounds [9 x i64], [9 x i64]* @switch.table._pathconf, i64 0, i64 %5
%7 = load i64, i64* %6
br label %8
8: ; preds = %1, %4
%9 = phi i64 [ %7, %4 ], [ -1, %1 ]
ret i64 %9
}