openldap/include/ac/string.h

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1998-10-25 09:41:42 +08:00
/* Generic string.h */
#ifndef _AC_STRING_H
#define _AC_STRING_H
#ifdef STDC_HEADERS
# include <string.h>
#else
# ifdef HAVE_STRING_H
# include <string.h>
# elif HAVE_STRINGS_H
# include <strings.h>
# endif
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# ifndef HAVE_STRCHR
# define strchr index
# define strrchr rindex
# endif
# ifndef HAVE_MEMCPY
# define memcpy(d, s, n) bcopy ((s), (d), (n))
# define memmove(d, s, n) bcopy ((s), (d), (n))
# endif
# if !defined(HAVE_STRING_H) && !defined(HAVE_STRINGS_H)
/* define prototypes for string functions */
/* this could cause problems on some odd ball systems */
char *strchr(), *strrchr();
char *strcpy(), *strncpy();
char *strcat (), *strncat ();
int strcmp(), strncmp();
int strcasecmp(), strncasecmp();
char *strdup();
int memcmp();
# endif
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#endif
#ifndef SAFEMEMCPY
# if defined( HAVE_MEMMOVE )
# define SAFEMEMCPY( d, s, n ) memmove((d), (s), (n))
# elif defined( HAVE_BCOPY )
# define SAFEMEMCPY( d, s, n ) bcopy((s), (d), (n))
# elif defined( MACOS )
# define SAFEMEMCPY( d, s, n ) BlockMoveData((Ptr)(s), (Ptr)(d), (n))
# else
/* nothing left but memcpy() */
# define SAFEMEMCPY( d, s, n ) memcpy((d), (s), (n))
# endif
#endif
#endif /* _AC_STRING_H */