Function winapi::um::wincrypt::CryptEnumProvidersA

pub unsafe extern "system" fn CryptEnumProvidersA(
    dwIndex: DWORD, 
    pdwReserved: *mut DWORD, 
    dwFlags: DWORD, 
    pdwProvType: *mut DWORD, 
    szProvName: LPSTR, 
    pcbProvName: *mut DWORD
) -> BOOL