| .Dd February 15, 2008 |
| .Dt FFI 3 |
| .Sh NAME |
| .Nm FFI |
| .Nd Foreign Function Interface |
| .Sh LIBRARY |
| libffi, -lffi |
| .Sh SYNOPSIS |
| .In ffi.h |
| .Ft ffi_status |
| .Fo ffi_prep_cif |
| .Fa "ffi_cif *cif" |
| .Fa "ffi_abi abi" |
| .Fa "unsigned int nargs" |
| .Fa "ffi_type *rtype" |
| .Fa "ffi_type **atypes" |
| .Fc |
| .Ft void |
| .Fo ffi_prep_cif_var |
| .Fa "ffi_cif *cif" |
| .Fa "ffi_abi abi" |
| .Fa "unsigned int nfixedargs" |
| .Fa "unsigned int ntotalargs" |
| .Fa "ffi_type *rtype" |
| .Fa "ffi_type **atypes" |
| .Fc |
| .Ft void |
| .Fo ffi_call |
| .Fa "ffi_cif *cif" |
| .Fa "void (*fn)(void)" |
| .Fa "void *rvalue" |
| .Fa "void **avalue" |
| .Fc |
| .Sh DESCRIPTION |
| 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. |
| .Sh SEE ALSO |
| .Xr ffi_prep_cif 3 , |
| .Xr ffi_prep_cif_var 3 , |
| .Xr ffi_call 3 |
