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Re: opendir,readdir
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According to Fry, Chuck (GE Trans) on 11/8/2005 7:25 AM:
> I'm new to Cygwin, and I'm trying to port some applications that run under HPUX 10.20.
> When recompiling under Cygwin one of the applications won't link because the linker
> can't resolve getdirentries which is a HPUX function. HP is obsolescing this function
> and recommends that you rewrite this function using opendir and readdir functions.
That is because opendir and readdir are specified by POSIX.
>
> My question is does Cygwin support these functions and if so what library are they
> located in. They don't show up in the man pages, but the do show up in the man pages
> on a pc running RedHat Linux.
The cygwin man pages are known to be incomplete. The only portable way to
know for sure if a function is provided on a given platform is the method
that autoconf uses - try compiling an actual program that uses the
function and see if you get a link error (in this case, you won't, because
cygwin provides these two functions). Less portably, you can download the
source code, and inspect winsup/cygwin/cygwin.din to see all functions
that are available in the standard link libraries (ie. you don't even need
a -l option to gcc). Or grep the headers in /usr/include to see if it is
defined.
- --
Life is short - so eat dessert first!
Eric Blake ebb9@byu.net
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