[EMAIL PROTECTED] (Steven M. Schweda) writes:
>> What is the output of "cc -E conftest.c" with that input file?
>
> Boy, you can't trust anyone any more. Amid all the air, there's
> this bit:
>
> [...]
> # 26 "/usr/include.dtk/ctype.h"
> [...]
> int isblank(int __c);
> [...]
> # 1 "/usr/include/ctype.h"
> [...]
>
> Apparently, the whole point of the "dtk" ("Developers' Toolkit")
> edition of ctype.h (the compiler's apparent preference) was to add
> isblank() to the normal ctype.h... I still can't
> find any evidence of the actual function anywhere under /usr/lib.
That's strange, since page 359 of the HP-UX 11i Version 3 Release
Notes <http://docs.hp.com/en/5991-6469/5991-6469.pdf> says flatly that
isblank() is in libc. Perhaps your host was upgraded incorrectly, or
perhaps you're linking to the wrong instance of the C library?