flock() function

[Mumit Khan]

Nirmal Vuppuluri <vuppun@hardy.ntd.comsat.com> writes:
> Hi,
> 	I am using Cygwin B20. I am trying to use the flock() function. I
> included the file <sys/file.h>. But when I link, I still get a "undefined
> reference to 'flock'". I am linking with the standard libc.a found under
> cygnus\cygwin-B20\H-i586-cygwin32\i586-cygwin32\lib directory.

Don't. The c library is in libcygwin.a, which is linked automatically by
Cygwin GCC. `gcc -v -o foo foo.c' shows all the required libraries for a
trivial program.

> 
> 	Also, I have some C files developed under SunOS, which do a
> "fprintf(stderr, "%s: ", cmdname);".  The error outputted by the Cygwin
> gcc is "undefined reference to '_iob'".
> 

You need to supply a test case, along with the output of :
  
  $ gcc -v -o testprog testprog.c

before we can provide helpful response.

Regards,
Mumit


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