gluDisk

// GLU32.dll
#include <windows.h>

void gluDisk(
    GLUquadric* qobj,
    DOUBLE innerRadius,
    DOUBLE outerRadius,
    INT slices,
    INT loops
);

<DllImport("GLU32.dll", ExactSpelling:=True)>
Public Shared Sub gluDisk(
    ByRef qobj As IntPtr,   ' GLUquadric* in/out
    innerRadius As Double,   ' DOUBLE
    outerRadius As Double,   ' DOUBLE
    slices As Integer,   ' INT
    loops As Integer   ' INT
)
End Sub

' qobj : GLUquadric* in/out
' innerRadius : DOUBLE
' outerRadius : DOUBLE
' slices : INT
' loops : INT
Declare PtrSafe Sub gluDisk Lib "glu32" ( _
    ByRef qobj As LongPtr, _
    ByVal innerRadius As Double, _
    ByVal outerRadius As Double, _
    ByVal slices As Long, _
    ByVal loops As Long)
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

gluDisk = ctypes.windll.glu32.gluDisk
gluDisk.restype = None
gluDisk.argtypes = [
    ctypes.c_void_p,  # qobj : GLUquadric* in/out
    ctypes.c_double,  # innerRadius : DOUBLE
    ctypes.c_double,  # outerRadius : DOUBLE
    ctypes.c_int,  # slices : INT
    ctypes.c_int,  # loops : INT
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('GLU32.dll')
gluDisk = Fiddle::Function.new(
  lib['gluDisk'],
  [
    Fiddle::TYPE_VOIDP,  # qobj : GLUquadric* in/out
    Fiddle::TYPE_DOUBLE,  # innerRadius : DOUBLE
    Fiddle::TYPE_DOUBLE,  # outerRadius : DOUBLE
    Fiddle::TYPE_INT,  # slices : INT
    Fiddle::TYPE_INT,  # loops : INT
  ],
  Fiddle::TYPE_VOID)

#[link(name = "glu32")]
extern "system" {
    fn gluDisk(
        qobj: *mut isize,  // GLUquadric* in/out
        innerRadius: f64,  // DOUBLE
        outerRadius: f64,  // DOUBLE
        slices: i32,  // INT
        loops: i32  // INT
    );
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("GLU32.dll")]
public static extern void gluDisk(ref IntPtr qobj, double innerRadius, double outerRadius, int slices, int loops);
"@
$api = Add-Type -MemberDefinition $sig -Name 'GLU32_gluDisk' -Namespace Win32 -PassThru
# $api::gluDisk(qobj, innerRadius, outerRadius, slices, loops)

#uselib "GLU32.dll"
#func global gluDisk "gluDisk" sptr, double, double, sptr, sptr
; gluDisk qobj, innerRadius, outerRadius, slices, loops
; qobj : GLUquadric* in/out -> "sptr"
; innerRadius : DOUBLE -> "double"
; outerRadius : DOUBLE -> "double"
; slices : INT -> "sptr"
; loops : INT -> "sptr"

#uselib "GLU32.dll"
#func global gluDisk "gluDisk" int, double, double, int, int
; gluDisk qobj, innerRadius, outerRadius, slices, loops
; qobj : GLUquadric* in/out -> "int"
; innerRadius : DOUBLE -> "double"
; outerRadius : DOUBLE -> "double"
; slices : INT -> "int"
; loops : INT -> "int"

; void gluDisk(GLUquadric* qobj, DOUBLE innerRadius, DOUBLE outerRadius, INT slices, INT loops)
#uselib "GLU32.dll"
#func global gluDisk "gluDisk" int, double, double, int, int
; gluDisk qobj, innerRadius, outerRadius, slices, loops
; qobj : GLUquadric* in/out -> "int"
; innerRadius : DOUBLE -> "double"
; outerRadius : DOUBLE -> "double"
; slices : INT -> "int"
; loops : INT -> "int"

import (
	"math"
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	glu32 = windows.NewLazySystemDLL("GLU32.dll")
	procgluDisk = glu32.NewProc("gluDisk")
)

// qobj (GLUquadric* in/out), innerRadius (DOUBLE), outerRadius (DOUBLE), slices (INT), loops (INT)
r1, _, err := procgluDisk.Call(
	uintptr(qobj),
	uintptr(math.Float64bits(innerRadius)),
	uintptr(math.Float64bits(outerRadius)),
	uintptr(slices),
	uintptr(loops),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void
// 注意: float/double 引数は proc.Call では XMM レジスタに渡せません。
// windows.SyscallN(proc.Addr(), math.Float64bits(x), ...) もしくは cgo を使用してください。

procedure gluDisk(
  qobj: Pointer;   // GLUquadric* in/out
  innerRadius: Double;   // DOUBLE
  outerRadius: Double;   // DOUBLE
  slices: Integer;   // INT
  loops: Integer   // INT
); stdcall;
  external 'GLU32.dll' name 'gluDisk';

result := DllCall("GLU32\gluDisk"
    , "Ptr", qobj   ; GLUquadric* in/out
    , "Double", innerRadius   ; DOUBLE
    , "Double", outerRadius   ; DOUBLE
    , "Int", slices   ; INT
    , "Int", loops   ; INT
    , "Int")   ; return: void

●gluDisk(qobj, innerRadius, outerRadius, slices, loops) = DLL("GLU32.dll", "int gluDisk(void*, double, double, int, int)")
# 呼び出し: gluDisk(qobj, innerRadius, outerRadius, slices, loops)
# qobj : GLUquadric* in/out -> "void*"
# innerRadius : DOUBLE -> "double"
# outerRadius : DOUBLE -> "double"
# slices : INT -> "int"
# loops : INT -> "int"
# なでしこ1は32bit・ANSI(Shift_JIS)。文字列=char*(ANSI)、ポインタ/ハンドル=void*(4byte)。