Ctypes
# Ctypes

Ctypes, ctype or another variant may refer to:

## Science

* C-type natriuretic peptide
* C-type lectin
* C-type star, or carbon star
* C-type asteroid

## Software

* ctypes, a form of language binding in Python and OCaml that can load C functions from shared libraries or DLLs on-the-fly
* ctype.h, a header in the ANSI C Standard Library for the C programming language that contains declarations for character classification functions

## Vehicles

* Audi Type C, roadster
* Citroën Type C, roadster
* Jaguar C-Type, racing sports car
* MG C-type, race car
* Auto Union Type C, Grand Prix race car
* Mercedes-Benz C-Class, sedan car
* Renault C-Type engine, straight-4 car engine
* C-type (New York City Subway car)
* Handley Page Type C, monoplane
* FBA Type C, reconnaissance flying boat
* Díaz Type C, fighter plane
* Sopwith Special torpedo seaplane Type C
* Caudron Navy Experimental Type C Trainer, trainer monoplane
* Consolidated Navy Experimental Type C Flying-Boat
* C class blimp or C type blimp
* Type C submarine of the Imperial Japanese Navy
* Type C escort ship of the Imperial Japanese Navy

## Other uses

* Type-C APS film, see APS-C
* Type C print, photographic print
* Type C connector, coaxial RF connector
* Type C videotape
* Type C ration or C-ration
