Date: Mon, 05 Jun 2000 17:44:53 +0900
   From: Susukita Ryutaro <[EMAIL PROTECTED]>

   I did 'setenv A' in ~/.tcshrc and 'unsetenv A' on tcsh.
   I executed the following program (test_gdb.c) on gdb. The behavior is
   different from that on tcsh. NULL is not printed on gdb.

GDB executes your program via the shell, the shell reads your
~/.tcshrc and executes the `setenv A'.  So `A' wil be in your
program's environment.

Mark

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