SQLProcedures

// ODBC32.dll  (ANSI / -A)
#include <windows.h>

SHORT SQLProcedures(
    void* hstmt,
    BYTE* szCatalogName,   // optional
    SHORT cchCatalogName,
    BYTE* szSchemaName,   // optional
    SHORT cchSchemaName,
    BYTE* szProcName,   // optional
    SHORT cchProcName
);

<DllImport("ODBC32.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function SQLProcedures(
    hstmt As IntPtr,   ' void* in/out
    szCatalogName As IntPtr,   ' BYTE* optional
    cchCatalogName As Short,   ' SHORT
    szSchemaName As IntPtr,   ' BYTE* optional
    cchSchemaName As Short,   ' SHORT
    szProcName As IntPtr,   ' BYTE* optional
    cchProcName As Short   ' SHORT
) As Short
End Function

' hstmt : void* in/out
' szCatalogName : BYTE* optional
' cchCatalogName : SHORT
' szSchemaName : BYTE* optional
' cchSchemaName : SHORT
' szProcName : BYTE* optional
' cchProcName : SHORT
Declare PtrSafe Function SQLProcedures Lib "odbc32" ( _
    ByVal hstmt As LongPtr, _
    ByVal szCatalogName As LongPtr, _
    ByVal cchCatalogName As Integer, _
    ByVal szSchemaName As LongPtr, _
    ByVal cchSchemaName As Integer, _
    ByVal szProcName As LongPtr, _
    ByVal cchProcName As Integer) As Integer
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

SQLProcedures = ctypes.windll.odbc32.SQLProcedures
SQLProcedures.restype = ctypes.c_short
SQLProcedures.argtypes = [
    ctypes.POINTER(None),  # hstmt : void* in/out
    ctypes.POINTER(ctypes.c_ubyte),  # szCatalogName : BYTE* optional
    ctypes.c_short,  # cchCatalogName : SHORT
    ctypes.POINTER(ctypes.c_ubyte),  # szSchemaName : BYTE* optional
    ctypes.c_short,  # cchSchemaName : SHORT
    ctypes.POINTER(ctypes.c_ubyte),  # szProcName : BYTE* optional
    ctypes.c_short,  # cchProcName : SHORT
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ODBC32.dll')
SQLProcedures = Fiddle::Function.new(
  lib['SQLProcedures'],
  [
    Fiddle::TYPE_VOIDP,  # hstmt : void* in/out
    Fiddle::TYPE_VOIDP,  # szCatalogName : BYTE* optional
    Fiddle::TYPE_SHORT,  # cchCatalogName : SHORT
    Fiddle::TYPE_VOIDP,  # szSchemaName : BYTE* optional
    Fiddle::TYPE_SHORT,  # cchSchemaName : SHORT
    Fiddle::TYPE_VOIDP,  # szProcName : BYTE* optional
    Fiddle::TYPE_SHORT,  # cchProcName : SHORT
  ],
  Fiddle::TYPE_SHORT)

#[link(name = "odbc32")]
extern "system" {
    fn SQLProcedures(
        hstmt: *mut (),  // void* in/out
        szCatalogName: *mut u8,  // BYTE* optional
        cchCatalogName: i16,  // SHORT
        szSchemaName: *mut u8,  // BYTE* optional
        cchSchemaName: i16,  // SHORT
        szProcName: *mut u8,  // BYTE* optional
        cchProcName: i16  // SHORT
    ) -> i16;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("ODBC32.dll", CharSet = CharSet.Ansi)]
public static extern short SQLProcedures(IntPtr hstmt, IntPtr szCatalogName, short cchCatalogName, IntPtr szSchemaName, short cchSchemaName, IntPtr szProcName, short cchProcName);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ODBC32_SQLProcedures' -Namespace Win32 -PassThru
# $api::SQLProcedures(hstmt, szCatalogName, cchCatalogName, szSchemaName, cchSchemaName, szProcName, cchProcName)

#uselib "ODBC32.dll"
#func global SQLProcedures "SQLProcedures" sptr, sptr, sptr, sptr, sptr, sptr, sptr
; SQLProcedures hstmt, varptr(szCatalogName), cchCatalogName, varptr(szSchemaName), cchSchemaName, varptr(szProcName), cchProcName   ; 戻り値は stat
; hstmt : void* in/out -> "sptr"
; szCatalogName : BYTE* optional -> "sptr"
; cchCatalogName : SHORT -> "sptr"
; szSchemaName : BYTE* optional -> "sptr"
; cchSchemaName : SHORT -> "sptr"
; szProcName : BYTE* optional -> "sptr"
; cchProcName : SHORT -> "sptr"
; ※HSP3.7は #func のため戻り値はシステム変数 stat に格納されます。

#uselib "ODBC32.dll"
#cfunc global SQLProcedures "SQLProcedures" sptr, var, int, var, int, var, int
; res = SQLProcedures(hstmt, szCatalogName, cchCatalogName, szSchemaName, cchSchemaName, szProcName, cchProcName)
; hstmt : void* in/out -> "sptr"
; szCatalogName : BYTE* optional -> "var"
; cchCatalogName : SHORT -> "int"
; szSchemaName : BYTE* optional -> "var"
; cchSchemaName : SHORT -> "int"
; szProcName : BYTE* optional -> "var"
; cchProcName : SHORT -> "int"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

; SHORT SQLProcedures(void* hstmt, BYTE* szCatalogName, SHORT cchCatalogName, BYTE* szSchemaName, SHORT cchSchemaName, BYTE* szProcName, SHORT cchProcName)
#uselib "ODBC32.dll"
#cfunc global SQLProcedures "SQLProcedures" intptr, var, int, var, int, var, int
; res = SQLProcedures(hstmt, szCatalogName, cchCatalogName, szSchemaName, cchSchemaName, szProcName, cchProcName)
; hstmt : void* in/out -> "intptr"
; szCatalogName : BYTE* optional -> "var"
; cchCatalogName : SHORT -> "int"
; szSchemaName : BYTE* optional -> "var"
; cchSchemaName : SHORT -> "int"
; szProcName : BYTE* optional -> "var"
; cchProcName : SHORT -> "int"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

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

var (
	odbc32 = windows.NewLazySystemDLL("ODBC32.dll")
	procSQLProcedures = odbc32.NewProc("SQLProcedures")
)

// hstmt (void* in/out), szCatalogName (BYTE* optional), cchCatalogName (SHORT), szSchemaName (BYTE* optional), cchSchemaName (SHORT), szProcName (BYTE* optional), cchProcName (SHORT)
r1, _, err := procSQLProcedures.Call(
	uintptr(hstmt),
	uintptr(szCatalogName),
	uintptr(cchCatalogName),
	uintptr(szSchemaName),
	uintptr(cchSchemaName),
	uintptr(szProcName),
	uintptr(cchProcName),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // SHORT

function SQLProcedures(
  hstmt: Pointer;   // void* in/out
  szCatalogName: Pointer;   // BYTE* optional
  cchCatalogName: Smallint;   // SHORT
  szSchemaName: Pointer;   // BYTE* optional
  cchSchemaName: Smallint;   // SHORT
  szProcName: Pointer;   // BYTE* optional
  cchProcName: Smallint   // SHORT
): Smallint; stdcall;
  external 'ODBC32.dll' name 'SQLProcedures';

result := DllCall("ODBC32\SQLProcedures"
    , "Ptr", hstmt   ; void* in/out
    , "Ptr", szCatalogName   ; BYTE* optional
    , "Short", cchCatalogName   ; SHORT
    , "Ptr", szSchemaName   ; BYTE* optional
    , "Short", cchSchemaName   ; SHORT
    , "Ptr", szProcName   ; BYTE* optional
    , "Short", cchProcName   ; SHORT
    , "Short")   ; return: SHORT

●SQLProcedures(hstmt, szCatalogName, cchCatalogName, szSchemaName, cchSchemaName, szProcName, cchProcName) = DLL("ODBC32.dll", "int SQLProcedures(void*, void*, int, void*, int, void*, int)")
# 呼び出し: SQLProcedures(hstmt, szCatalogName, cchCatalogName, szSchemaName, cchSchemaName, szProcName, cchProcName)
# hstmt : void* in/out -> "void*"
# szCatalogName : BYTE* optional -> "void*"
# cchCatalogName : SHORT -> "int"
# szSchemaName : BYTE* optional -> "void*"
# cchSchemaName : SHORT -> "int"
# szProcName : BYTE* optional -> "void*"
# cchProcName : SHORT -> "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)。