#ifndef __MEM_H #define __MEM_H #if defined(STDC_HEADERS) || defined(HAVE_STRING_H) # include /* An ANSI string.h and pre-ANSI memory.h might conflict */ # if !defined(STDC_HEADERS) && defined(HAVE_MEMORY_H) # include # 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 /* memory and strings.h conflict on other systems */ #endif /* not STDC_HEADERS and not HAVE_STRING_H */ #endif /* __MEM_H */