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CentOS 7.0 - man page for ffi_prep_cif_var (centos section 3)

ffi_prep_cif_var(3)		   BSD Library Functions Manual 	      ffi_prep_cif_var(3)

NAME
     ffi_prep_cif_var -- Prepare a ffi_cif structure for use with ffi_call for variadic func-
     tions.

SYNOPSIS
     #include <ffi.h>

     ffi_status
     ffi_prep_cif_var(ffi_cif *cif, ffi_abi abi, unsigned int nfixedargs,
	 unsigned int ntotalargs, ffi_type *rtype, ffi_type **atypes);

DESCRIPTION
     The ffi_prep_cif_var function prepares a ffi_cif structure for use with ffi_call for vari-
     adic functions.  abi specifies a set of calling conventions to use.  atypes is an array of
     ntotalargs pointers to ffi_type structs that describe the data type, size and alignment of
     each argument.  rtype points to an ffi_type that describes the data type, size and alignment
     of the return value.  nfixedargs must contain the number of fixed (non-variadic) arguments.
     Note that to call a non-variadic function ffi_prep_cif must be used.

RETURN VALUES
     Upon successful completion, ffi_prep_cif_var returns FFI_OK.  It will return FFI_BAD_TYPEDEF
     if cif is NULL or atypes or rtype is malformed. If abi does not refer to a valid ABI,
     FFI_BAD_ABI will be returned. Available ABIs are defined in <ffitarget.h>

SEE ALSO
     ffi(3), ffi_call(3), ffi_prep_cif(3)

					 January 25, 2011


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