Module ffi

Platform-specific types, as defined by C.

Code that interacts via FFI will almost certainly be using the base types provided by C, which aren’t nearly as nicely defined as Rust’s primitive types. This module provides types which will match those defined by C, so that code that interacts with C will refer to the correct types.

Modules

c_strExperimental

CStr and its related types.

va_listExperimental

C’s “variable arguments”

Structs

CStr

Representation of a borrowed C string.

FromBytesUntilNulError

An error indicating that no nul byte was present.

VaListExperimental

A wrapper for a va_list

VaListImplExperimental

x86_64 ABI implementation of a va_list.

Enums

FromBytesWithNulError

An error indicating that a nul byte was not in the expected position.

c_void

Equivalent to C’s void type when used as a pointer.

Type Aliases

c_char

Equivalent to C’s char type.

c_double

Equivalent to C’s double type.

c_float

Equivalent to C’s float type.

c_int

Equivalent to C’s signed int (int) type.

c_long

Equivalent to C’s signed long (long) type.

c_longlong

Equivalent to C’s signed long long (long long) type.

c_schar

Equivalent to C’s signed char type.

c_short

Equivalent to C’s signed short (short) type.

c_uchar

Equivalent to C’s unsigned char type.

c_uint

Equivalent to C’s unsigned int type.

c_ulong

Equivalent to C’s unsigned long type.

c_ulonglong

Equivalent to C’s unsigned long long type.

c_ushort

Equivalent to C’s unsigned short type.

c_ptrdiff_tExperimental

Equivalent to C’s ptrdiff_t type, from stddef.h (or cstddef for C++).

c_size_tExperimental

Equivalent to C’s size_t type, from stddef.h (or cstddef for C++).

c_ssize_tExperimental

Equivalent to C’s ssize_t (on POSIX) or SSIZE_T (on Windows) type.