kc3-lang/libffi/man/ffi.3

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  Commit

• Author : Anthony Green
  Date : 2011-11-12 17:18:51
  Hash : ff9454da
  Message : Add David Gilbert's variadic function call support

• man/ffi.3

• .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