84 // Most system includes on AIX would define it as an int 0 if not already defined with one

    84 // Most system includes on AIX would define it as an int 0 if not already defined with one

    85 // exception: /usr/include/dirent.h will unconditionally redefine NULL to int 0 again.

    85 // exception: /usr/include/dirent.h will unconditionally redefine NULL to int 0 again.

    86 // In this case you need to copy the following defines to a position after #include <dirent.h>

    86 // In this case you need to copy the following defines to a position after #include <dirent.h>

    87 // (see jmv_aix.h).

    87 // (see jmv_aix.h).

    88 #ifdef AIX

    88 #ifdef AIX

    89   #ifdef _LP64

    90   #ifdef _LP64

    90     #undef NULL

    91     #undef NULL

    91     #define NULL 0L

    92     #define NULL 0L

    92   #else

    93   #else

    93     #ifndef NULL

    94     #ifndef NULL