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Annotation of coherent/f/usr/include.78/sys/_null.h, revision 1.1.1.1

1.1       root        1: #ifndef        __SYS__NULL_H__
                      2: #define        __SYS__NULL_H__
                      3: 
                      4: /*
                      5:  * This internal header is designed to factor out the definition of NULL
                      6:  * from all other aspects of the STREAMS and device systems. In order to
                      7:  * be able to create a reasonable facsimile of the STREAMS and DDI/DDK
                      8:  * programming environments, many of the header files defined by those
                      9:  * documents in the System V environment have been defined. From the POSIX
                     10:  * and ISO C standards documents we learn that <sys/types.h> is the most
                     11:  * likely candidate, but that definitions also occur in <stdlib.h>, <stdio.h>
                     12:  * and many other places.
                     13:  */
                     14: 
                     15: 
                     16: /*
                     17:  * For Borland C++, the use of memory models requires that we define NULL
                     18:  * appropriately. There is a special Borland header for this, however.
                     19:  */
                     20: 
                     21: #ifndef        NULL
                     22: 
                     23: # ifdef        __BORLANDC__
                     24: 
                     25: #  include <_null.h>
                     26: 
                     27: # else
                     28: 
                     29: #  define  NULL        0
                     30: 
                     31: # endif
                     32: 
                     33: #endif
                     34: 
                     35: #endif /* ! defined (__SYS__NULL_H__) */

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