On 2/14/24 11:56 AM, Chet Ramey wrote: > This isn't necessary in general; ISO C guarantees that a constant > expression with value 0 is a null pointer constant just like NULL, > and the compiler will make them equivalent even if the internal > representation of a null pointer isn't all zeroes.
Oops, You're right. That's my bad. I think I saw a compiler for the first comparison to zero in setenv () which is right above a NULL return. I think the NULL looks more clear but that is probably just personal preference. :) Collin
