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  1. /*
  2.  * string.h
  3.  *
  4.  * Definitions for memory and string functions.
  5.  */
  6.  
  7. #ifndef _STRING_H_
  8. #define _STRING_H_
  9.  
  10. #include "_ansi.h"
  11. #include <sys/reent.h>
  12. #include <sys/cdefs.h>
  13.  
  14. #define __need_size_t
  15. #include <stddef.h>
  16.  
  17. #ifndef NULL
  18. #define NULL 0
  19. #endif
  20.  
  21. _BEGIN_STD_C
  22.  
  23. _PTR     _EXFUN(memchr,(const _PTR, int, size_t));
  24. int      _EXFUN(memcmp,(const _PTR, const _PTR, size_t));
  25. _PTR     _EXFUN(memcpy,(_PTR, const _PTR, size_t));
  26. _PTR     _EXFUN(memmove,(_PTR, const _PTR, size_t));
  27. _PTR     _EXFUN(memset,(_PTR, int, size_t));
  28. char    *_EXFUN(strcat,(char *, const char *));
  29. char    *_EXFUN(strchr,(const char *, int));
  30. int      _EXFUN(strcmp,(const char *, const char *));
  31. int      _EXFUN(strcoll,(const char *, const char *));
  32. char    *_EXFUN(strcpy,(char *, const char *));
  33. size_t   _EXFUN(strcspn,(const char *, const char *));
  34. char    *_EXFUN(strerror,(int));
  35. size_t   _EXFUN(strlen,(const char *));
  36. char    *_EXFUN(strncat,(char *, const char *, size_t));
  37. int      _EXFUN(strncmp,(const char *, const char *, size_t));
  38. char    *_EXFUN(strncpy,(char *, const char *, size_t));
  39. char    *_EXFUN(strpbrk,(const char *, const char *));
  40. char    *_EXFUN(strrchr,(const char *, int));
  41. size_t   _EXFUN(strspn,(const char *, const char *));
  42. char    *_EXFUN(strstr,(const char *, const char *));
  43.  
  44. #ifndef _REENT_ONLY
  45. char    *_EXFUN(strtok,(char *, const char *));
  46. #endif
  47.  
  48. size_t   _EXFUN(strxfrm,(char *, const char *, size_t));
  49.  
  50. #ifndef __STRICT_ANSI__
  51. char    *_EXFUN(strtok_r,(char *, const char *, char **));
  52.  
  53. int      _EXFUN(bcmp,(const void *, const void *, size_t));
  54. void     _EXFUN(bcopy,(const void *, void *, size_t));
  55. void     _EXFUN(bzero,(void *, size_t));
  56. int      _EXFUN(ffs,(int));
  57. char    *_EXFUN(index,(const char *, int));
  58. _PTR     _EXFUN(memccpy,(_PTR, const _PTR, int, size_t));
  59. _PTR     _EXFUN(mempcpy,(_PTR, const _PTR, size_t));
  60. _PTR     _EXFUN(memmem, (const _PTR, size_t, const _PTR, size_t));
  61. char    *_EXFUN(rindex,(const char *, int));
  62. char    *_EXFUN(stpcpy,(char *, const char *));
  63. char    *_EXFUN(stpncpy,(char *, const char *, size_t));
  64. int      _EXFUN(strcasecmp,(const char *, const char *));
  65. char    *_EXFUN(strcasestr,(const char *, const char *));
  66. char    *_EXFUN(strchrnul,(const char *, int));
  67. char    *_EXFUN(strdup,(const char *));
  68. char    *_EXFUN(_strdup_r,(struct _reent *, const char *));
  69. char    *_EXFUN(strndup,(const char *, size_t));
  70. char    *_EXFUN(_strndup_r,(struct _reent *, const char *, size_t));
  71. /* There are two common strerror_r variants.  If you request
  72.    _GNU_SOURCE, you get the GNU version; otherwise you get the POSIX
  73.    version.  POSIX requires that #undef strerror_r will still let you
  74.    invoke the underlying function, but that requires gcc support.  */
  75. #ifdef _GNU_SOURCE
  76. char    *_EXFUN(strerror_r,(int, char *, size_t));
  77. #else
  78. # ifdef __GNUC__
  79. int      _EXFUN(strerror_r,(int, char *, size_t)) __asm__ (__ASMNAME ("__xpg_strerror_r"));
  80. # else
  81. int      _EXFUN(__xpg_strerror_r,(int, char *, size_t));
  82. #  define strerror_r __xpg_strerror_r
  83. # endif
  84. #endif
  85. size_t   _EXFUN(strlcat,(char *, const char *, size_t));
  86. size_t   _EXFUN(strlcpy,(char *, const char *, size_t));
  87. int      _EXFUN(strncasecmp,(const char *, const char *, size_t));
  88. size_t   _EXFUN(strnlen,(const char *, size_t));
  89. char    *_EXFUN(strsep,(char **, const char *));
  90. char    *_EXFUN(strlwr,(char *));
  91. char    *_EXFUN(strupr,(char *));
  92. #ifndef DEFS_H  /* Kludge to work around problem compiling in gdb */
  93. char  *_EXFUN(strsignal, (int __signo));
  94. #endif
  95. #ifdef __CYGWIN__
  96. int     _EXFUN(strtosigno, (const char *__name));
  97. #endif
  98.  
  99. /* Recursive version of strerror.  */
  100. char *  _EXFUN(_strerror_r, (struct _reent *, int, int, int *));
  101.  
  102. #if defined _GNU_SOURCE && defined __GNUC__
  103. #define strdupa(__s) \
  104.         (__extension__ ({const char *__in = (__s); \
  105.                          size_t __len = strlen (__in) + 1; \
  106.                          char * __out = (char *) __builtin_alloca (__len); \
  107.                          (char *) memcpy (__out, __in, __len);}))
  108. #define strndupa(__s, __n) \
  109.         (__extension__ ({const char *__in = (__s); \
  110.                          size_t __len = strnlen (__in, (__n)) + 1; \
  111.                          char *__out = (char *) __builtin_alloca (__len); \
  112.                          __out[__len-1] = '\0'; \
  113.                          (char *) memcpy (__out, __in, __len-1);}))
  114. #endif /* _GNU_SOURCE && __GNUC__ */
  115.  
  116. /* These function names are used on Windows and perhaps other systems.  */
  117. #ifndef strcmpi
  118. #define strcmpi strcasecmp
  119. #endif
  120. #ifndef stricmp
  121. #define stricmp strcasecmp
  122. #endif
  123. #ifndef strncmpi
  124. #define strncmpi strncasecmp
  125. #endif
  126. #ifndef strnicmp
  127. #define strnicmp strncasecmp
  128. #endif
  129.  
  130. #endif /* ! __STRICT_ANSI__ */
  131.  
  132. #include <sys/string.h>
  133.  
  134. _END_STD_C
  135.  
  136. #endif /* _STRING_H_ */
  137.