use std::os::raw::c_void;
use base::{CFAllocatorRef, CFTypeID, CFIndex, CFRange, CFOptionFlags};
#[repr(C)]
pub struct __CFData(c_void);
pub type CFDataRef = *const __CFData;
pub type CFMutableDataRef = *mut __CFData;
pub type CFDataSearchFlags = CFOptionFlags;
pub const kCFDataSearchBackwards: CFDataSearchFlags = 1usize << 0;
pub const kCFDataSearchAnchored: CFDataSearchFlags = 1usize << 1;
extern {
pub fn CFDataCreate(allocator: CFAllocatorRef, bytes: *const u8, length: CFIndex) -> CFDataRef;
pub fn CFDataCreateCopy(allocator: CFAllocatorRef, theData: CFDataRef) -> CFDataRef;
pub fn CFDataCreateWithBytesNoCopy(allocator: CFAllocatorRef, bytes: *const u8, length: CFIndex, bytesDeallocator: CFAllocatorRef) -> CFDataRef;
pub fn CFDataGetBytePtr(theData: CFDataRef) -> *const u8;
pub fn CFDataGetBytes(theData: CFDataRef, range: CFRange, buffer: *mut u8);
pub fn CFDataGetLength(theData: CFDataRef) -> CFIndex;
pub fn CFDataFind(theData: CFDataRef, dataToFind: CFDataRef, searchRange: CFRange, compareOptions: CFDataSearchFlags) -> CFRange;
pub fn CFDataGetTypeID() -> CFTypeID;
pub fn CFDataCreateMutable(allocator: CFAllocatorRef, capacity: CFIndex) -> CFMutableDataRef;
pub fn CFDataCreateMutableCopy(allocator: CFAllocatorRef, capacity: CFIndex, theData: CFDataRef) -> CFMutableDataRef;
pub fn CFDataGetMutableBytePtr(theData: CFMutableDataRef) -> *mut u8;
pub fn CFDataAppendBytes(theData: CFMutableDataRef, bytes: *const u8, length: CFIndex);
pub fn CFDataDeleteBytes(theData: CFMutableDataRef, range: CFRange);
pub fn CFDataReplaceBytes(theData: CFMutableDataRef, range: CFRange, newBytes: *const u8, newLength: CFIndex);
pub fn CFDataIncreaseLength(theData: CFMutableDataRef, extraLength: CFIndex);
pub fn CFDataSetLength(theData: CFMutableDataRef, length: CFIndex);
}