include/string.h

   1 #ifndef _STRING_H
   2
   3 #include <sys/types.h>
   4
   5 extern void *__memccpy (void *__dest, __const void *__src,
   6                           int __c, size_t __n);
   7
   8 extern size_t __strnlen (__const char *__string, size_t __maxlen)
   9      __attribute_pure__;
  10
  11 extern char *__strsep (char **__stringp, __const char *__delim);
  12
  13 extern int __strverscmp (__const char *__s1, __const char *__s2)
  14      __attribute_pure__;
  15
  16 extern int __strncasecmp (__const char *__s1, __const char *__s2,
  17                           size_t __n)
  18      __attribute_pure__;
  19
  20 extern int __strcasecmp (__const char *__s1, __const char *__s2)
  21      __attribute_pure__;
  22
  23 extern char *__strcasestr (__const char *__haystack, __const char *__needle)
  24      __attribute_pure__;
  25
  26 extern char *__strdup (__const char *__string)
  27      __attribute_malloc__;
  28 extern char *__strndup (__const char *__string, size_t __n)
  29      __attribute_malloc__;
  30
  31 extern void *__rawmemchr (__const void *__s, int __c)
  32      __attribute_pure__;
  33
  34 extern char *__strchrnul (__const char *__s, int __c)
  35      __attribute_pure__;
  36
  37 extern void *__memrchr (__const void *__s, int __c, size_t __n)
  38      __attribute_pure__;
  39
  40 extern void *__memchr (__const void *__s, int __c, size_t __n)
  41      __attribute_pure__;
  42
  43 extern int __ffs (int __i) __attribute__ ((const));
  44
  45 extern char *__strerror_r (int __errnum, char *__buf, size_t __buflen);
  46
  47 /* Now the real definitions.  We do this here since some of the functions
  48    above are defined as macros in the headers.  */
  49 #include <string/string.h>
  50
  51 extern __typeof (strcoll_l) __strcoll_l;
  52 extern __typeof (strxfrm_l) __strxfrm_l;
  53 extern __typeof (strcasecmp_l) __strcasecmp_l;
  54 extern __typeof (strncasecmp_l) __strncasecmp_l;
  55
  56 /* Alternative version which doesn't pollute glibc's namespace.  */
  57 #undef strndupa
  58 #define strndupa(s, n)                                                        \
  59   (__extension__                                                              \
  60     ({                                                                        \
  61       __const char *__old = (s);                                              \
  62       size_t __len = __strnlen (__old, (n));                                  \
  63       char *__new = (char *) __builtin_alloca (__len + 1);                    \
  64       __new[__len] = '\0';                                                    \
  65       (char *) memcpy (__new, __old, __len);                                  \
  66     }))
  67
  68 libc_hidden_proto (__mempcpy)
  69 libc_hidden_proto (__stpcpy)
  70 libc_hidden_proto (__stpncpy)
  71 libc_hidden_proto (__rawmemchr)
  72 libc_hidden_proto (__strcasecmp)
  73 libc_hidden_proto (__strcasecmp_l)
  74 libc_hidden_proto (__strncasecmp_l)
  75 libc_hidden_proto (__strdup)
  76 libc_hidden_proto (__strndup)
  77 libc_hidden_proto (__strerror_r)
  78 libc_hidden_proto (__strverscmp)
  79 libc_hidden_proto (basename)
  80 libc_hidden_proto (strcoll)
  81
  82 # ifndef _ISOMAC
  83 #  ifndef index
  84 #   define index(s, c)  (strchr ((s), (c)))
  85 #  endif
  86 #  ifndef rindex
  87 #   define rindex(s, c) (strrchr ((s), (c)))
  88 #  endif
  89 # endif
  90
  91 #endif