1 .Dd February 15, 2008 2 .Dt FFI 3 3 .Sh NAME 4 .Nm FFI 5 .Nd Foreign Function Interface 6 .Sh LIBRARY 7 libffi, -lffi 8 .Sh SYNOPSIS 9 .In ffi.h 10 .Ft ffi_status 11 .Fo ffi_prep_cif 12 .Fa "ffi_cif *cif" 13 .Fa "ffi_abi abi" 14 .Fa "unsigned int nargs" 15 .Fa "ffi_type *rtype" 16 .Fa "ffi_type **atypes" 17 .Fc 18 .Ft void 19 .Fo ffi_prep_cif_var 20 .Fa "ffi_cif *cif" 21 .Fa "ffi_abi abi" 22 .Fa "unsigned int nfixedargs" 23 .Fa "unsigned int ntotalargs" 24 .Fa "ffi_type *rtype" 25 .Fa "ffi_type **atypes" 26 .Fc 27 .Ft void 28 .Fo ffi_call 29 .Fa "ffi_cif *cif" 30 .Fa "void (*fn)(void)" 31 .Fa "void *rvalue" 32 .Fa "void **avalue" 33 .Fc 34 .Sh DESCRIPTION 35 The foreign function interface provides a mechanism by which a function can 36 generate a call to another function at runtime without requiring knowledge of 37 the called function's interface at compile time. 38 .Sh SEE ALSO 39 .Xr ffi_prep_cif 3 , 40 .Xr ffi_prep_cif_var 3 , 41 .Xr ffi_call 3 42
