Function rustc_llvm_proxy::proxy::LLVMFunctionType

#[no_mangle]
pub unsafe extern "C" fn LLVMFunctionType(
    ReturnType: LLVMTypeRef, 
    ParamTypes: *mut LLVMTypeRef, 
    ParamCount: c_uint, 
    IsVarArg: LLVMBool
) -> LLVMTypeRef