Calling lua from a c program get a nil value (global 'pcall')

Question

here is lua code:

function calc (x, y)
    return (x^2 * y)
end

pcall(calc,10,20)

when i run dofile get error:attempt to call a nil value (global 'pcall') my lua version is lua5.4.0 how can i fix this problem

Answer 1

Ok.I have fixed it already.I called clua_hide_pcall before dofile,My mistake... Thanks for anwser my question!