forked from OSchip/llvm-project
42 lines
850 B
Groff
42 lines
850 B
Groff
.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
|