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   by attempting to fopen() the file, and if successful, immediately
   fclose()ing it again.  So we have to assume that the fopen() call
   does not cause the access time field to be updated.

   Reading of the man page for stat() (man 2 stat) on RedHat 7.2 seems
   to imply that merely doing open() will not affect the access time.
   Therefore we merely need to hope that the C library only does
   open() as a result of fopen(), and not any kind of read()-ahead
   cleverness.

   It sounds pretty fragile to me.  Whether this carries across
   robustly to arbitrary Unix-like platforms (or even works robustly
   on this one, RedHat 7.2) is unknown to me.  Nevertheless ...  
*/
#if BZ_UNIX
static 
struct MY_STAT fileMetaInfo;
#endif

static 
void saveInputFileMetaInfo ( Char *srcName )