path.h

[miyata]

Is path.h in 1.1 low level enough to allow system specific code?
Since 1.1 uses GNU getopt, I can't use CPP macros
#define chdir _chdir2
#define getcwd _getcwd2
in os2_defines.h any longer.  I'm thinking of moving the stuffs
to support/filetools.C and path.h

Regards,
        SMiyata