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string.h

#ifndef __ASM_ARM_STRING_H
#define __ASM_ARM_STRING_H

/*
 * We don't do inline string functions, since the
 * optimised inline asm versions are not small.
 */

#define __HAVE_ARCH_STRRCHR
extern char * strrchr(const char * s, int c);

#define __HAVE_ARCH_STRCHR
extern char * strchr(const char * s, int c);

#define __HAVE_ARCH_MEMCPY
extern void * memcpy(void *, const void *, __kernel_size_t);

#define __HAVE_ARCH_MEMMOVE
extern void * memmove(void *, const void *, __kernel_size_t);

#define __HAVE_ARCH_MEMCHR
extern void * memchr(const void *, int, __kernel_size_t);

#define __HAVE_ARCH_MEMSET
extern void * memset(void *, int, __kernel_size_t);

extern void __memzero(void *ptr, __kernel_size_t n);

#define memset(p,v,n)                                       \
      ({                                              \
            void *__p = (p); size_t __n = n;                \
            if ((__n) != 0) {                         \
                  if (__builtin_constant_p((v)) && (v) == 0)      \
                        __memzero((__p),(__n));             \
                  else                                \
                        memset((__p),(v),(__n));            \
            }                                         \
            (__p);                                          \
      })

#endif

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