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- #ifndef __MEM_H
- #define __MEM_H
-
- #if defined(STDC_HEADERS) || defined(HAVE_STRING_H)
- # include <string.h>
- /* An ANSI string.h and pre-ANSI memory.h might conflict */
- # if !defined(STDC_HEADERS) && defined(HAVE_MEMORY_H)
- # include <memory.h>
- # endif /* not STDC_HEADERS and HAVE_MEMORY_H */
-
- # ifndef index
- #define index strchr
- # endif
-
- # ifndef rindex
- # define rindex strrchr
- # endif
-
- # define bcopy(s,d,n) memcpy ((d), (s), (n))
- # define bcmp(s1,s2,n) memcmp ((s1), (s2), (n))
- # define bzero(s,n) memset ((s), 0, (n))
-
- #else /* not STDC_HEADERS and not HAVE_STRING_H */
- # include <strings.h>
- /* memory and strings.h conflict on other systems */
- #endif /* not STDC_HEADERS and not HAVE_STRING_H */
- #endif /* __MEM_H */
-
-