| FFI(3) | Introduction to Library Functions | FFI(3) |
FFI — Foreign
Function Interface
libffi, -lffi
#include
<ffi.h>
ffi_status
ffi_prep_cif(ffi_cif *cif,
ffi_abi abi, unsigned int nargs,
ffi_type *rtype, ffi_type
**atypes);
void
ffi_prep_cif_var(ffi_cif *cif,
ffi_abi abi, unsigned int
nfixedargs, unsigned int ntotalargs,
ffi_type *rtype, ffi_type
**atypes);
void
ffi_call(ffi_cif *cif,
void (*fn)(void), void *rvalue,
void **avalue);
The foreign function interface provides a mechanism by which a function can generate a call to another function at runtime without requiring knowledge of the called function's interface at compile time.
| February 15, 2008 |