bug in pclose(3)

[Doug Gwyn]

In article <633 at mks.UUCP> egisin at mks.UUCP (Eric Gisin) writes:
>Declare waitpid as
>	pid_t waitpid (pid_t pid, int *statp, int options, ...);

I don't have IEEE Std 1003.1 at hand at the moment,
but I'm fairly sure this declaration is incompatible with
the one in the Standard.  If you want a different interface,
use a new name.  Don't people EVER learn from experience?