Update.
[glibc.git] / include / string.h
blob8dda2f1b7e3267fa0df3d1c2906e8fb70cc9333f
1 #ifndef _STRING_H
3 #include <sys/types.h>
5 extern void *__memccpy (void *__dest, __const void *__src,
6 int __c, size_t __n);
8 extern size_t __strnlen (__const char *__string, size_t __maxlen)
9 __attribute_pure__;
11 extern char *__strsep (char **__stringp, __const char *__delim);
13 extern int __strverscmp (__const char *__s1, __const char *__s2)
14 __attribute_pure__;
16 extern int __strncasecmp (__const char *__s1, __const char *__s2,
17 size_t __n)
18 __attribute_pure__;
20 extern int __strcasecmp (__const char *__s1, __const char *__s2)
21 __attribute_pure__;
23 extern char *__strcasestr (__const char *__haystack, __const char *__needle)
24 __attribute_pure__;
26 extern char *__strdup (__const char *__string)
27 __attribute_malloc__;
28 extern char *__strndup (__const char *__string, size_t __n)
29 __attribute_malloc__;
31 extern void *__rawmemchr (__const void *__s, int __c)
32 __attribute_pure__;
34 extern char *__strchrnul (__const char *__s, int __c)
35 __attribute_pure__;
37 extern void *__memrchr (__const void *__s, int __c, size_t __n)
38 __attribute_pure__;
40 extern void *__memchr (__const void *__s, int __c, size_t __n)
41 __attribute_pure__;
43 extern int __ffs (int __i) __attribute__ ((const));
45 extern char *__strerror_r (int __errnum, char *__buf, size_t __buflen);
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>
51 /* Alternative version which doesn't pollute glibc's namespace. */
52 #undef strndupa
53 #define strndupa(s, n) \
54 (__extension__ \
55 ({ \
56 __const char *__old = (s); \
57 size_t __len = __strnlen (__old, (n)); \
58 char *__new = (char *) __builtin_alloca (__len + 1); \
59 __new[__len] = '\0'; \
60 (char *) memcpy (__new, __old, __len); \
61 }))
62 #endif