Check if @ffi_lib and @ffi_convention are defined before accessing them
Check if @ffi_lib and @ffi_convention are defined before accessing them

majioa/ffi,yghannam/ffi,yghannam/ffi,tduehr/ffi,sparkchaser/ffi,mvz/ffi,MikaelSmith/ffi,ferventcoder/ffi,tduehr/ffi,mvz/ffi,ferventcoder/ffi,majioa/ffi,MikaelSmith/ffi,ffi/ffi,majioa/ffi,MikaelSmith/ffi,yghannam/ffi,yghannam/ffi,MikaelSmith/ffi,tduehr/ffi,majioa/ffi,mvz/ffi,sparkchaser/ffi,sparkchaser/ffi,ferventcoder/ffi,sparkchaser/ffi,yghannam/ffi,mvz/ffi,ffi/ffi,tduehr/ffi,ffi/ffi,ferventcoder/ffi