50 extern char *index(const char *, int);
  51 extern char *rindex(const char *, int);
  52 
  53 /*
  54  * X/Open System Interfaces and Headers, Issue 4, Version 2, defines
  55  * both <string.h> and <strings.h>.  The namespace requirements
  56  * do not permit the visibility of anything other than what is
  57  * specifically defined for each of these headers.  As a result,
  58  * inclusion of <string.h> would result in declarations not allowed
  59  * in <strings.h>, and making the following prototypes visible for
  60  * anything other than X/Open UNIX Extension would result in
  61  * conflicts with what is now in <string.h>.
  62  */
  63 #if defined(_XPG4_2) && !defined(__EXTENSIONS__)
  64 extern int ffs(int);
  65 extern int strcasecmp(const char *, const char *);
  66 extern int strncasecmp(const char *, const char *, size_t);
  67 #if defined(_XPG7)
  68 #ifndef _LOCALE_T
  69 #define _LOCALE_T
  70 typedef struct locale *locale_t;
  71 #endif
  72 extern int strcasecmp_l(const char *, const char *, locale_t);
  73 extern int strncasecmp_l(const char *, const char *, size_t, locale_t);
  74 #endif  /* defined(_XPG7) */
  75 #endif  /* defined(_XPG4_2) && !defined(__EXTENSIONS__) */
  76 
  77 #else
  78 
  79 extern int bcmp();
  80 extern void bcopy();
  81 extern void bzero();
  82 
  83 extern char *index();
  84 extern char *rindex();
  85 
  86 #if defined(_XPG4_2) && !defined(__EXTENSIONS__)
  87 extern int ffs();
  88 extern int strcasecmp();
  89 extern int strncasecmp();
  90 #if defined(_XPG7)

  50 extern char *index(const char *, int);
  51 extern char *rindex(const char *, int);
  52 
  53 /*
  54  * X/Open System Interfaces and Headers, Issue 4, Version 2, defines
  55  * both <string.h> and <strings.h>.  The namespace requirements
  56  * do not permit the visibility of anything other than what is
  57  * specifically defined for each of these headers.  As a result,
  58  * inclusion of <string.h> would result in declarations not allowed
  59  * in <strings.h>, and making the following prototypes visible for
  60  * anything other than X/Open UNIX Extension would result in
  61  * conflicts with what is now in <string.h>.
  62  */
  63 #if defined(_XPG4_2) && !defined(__EXTENSIONS__)
  64 extern int ffs(int);
  65 extern int strcasecmp(const char *, const char *);
  66 extern int strncasecmp(const char *, const char *, size_t);
  67 #if defined(_XPG7)
  68 #ifndef _LOCALE_T
  69 #define _LOCALE_T
  70 typedef struct _locale *locale_t;
  71 #endif
  72 extern int strcasecmp_l(const char *, const char *, locale_t);
  73 extern int strncasecmp_l(const char *, const char *, size_t, locale_t);
  74 #endif  /* defined(_XPG7) */
  75 #endif  /* defined(_XPG4_2) && !defined(__EXTENSIONS__) */
  76 
  77 #else
  78 
  79 extern int bcmp();
  80 extern void bcopy();
  81 extern void bzero();
  82 
  83 extern char *index();
  84 extern char *rindex();
  85 
  86 #if defined(_XPG4_2) && !defined(__EXTENSIONS__)
  87 extern int ffs();
  88 extern int strcasecmp();
  89 extern int strncasecmp();
  90 #if defined(_XPG7)