#ifndef _STRING_H_
#define _STRING_H_ 1
#ifdef MACH_KERNEL_PRIVATE
#include <types.h>
#else
#include <sys/types.h>
#endif
#if defined(KERNEL)
#include <sys/cdefs.h>
#endif
#ifdef __cplusplus
extern "C" {
#endif
#ifndef NULL
#if defined (__cplusplus)
#if __cplusplus >= 201103L
#define NULL nullptr
#else
#define NULL 0
#endif
#else
#define NULL ((void *)0)
#endif
#endif
extern void *memcpy(void *, const void *, size_t);
extern int memcmp(const void *, const void *, size_t);
extern void *memmove(void *, const void *, size_t);
extern void *memset(void *, int, size_t);
extern int memset_s(void *, size_t, int, size_t);
#ifdef XNU_KERNEL_PRIVATE
extern unsigned long memcmp_zero_ptr_aligned(const void *s, size_t n);
#endif
extern size_t strlen(const char *);
extern size_t strnlen(const char *, size_t);
__kpi_deprecated_arm64_macos_unavailable
extern char *strcpy(char *, const char *) __deprecated;
__kpi_deprecated_arm64_macos_unavailable
extern char *strncpy(char *, const char *, size_t);
__kpi_deprecated_arm64_macos_unavailable
extern char *strcat(char *, const char *) __deprecated;
__kpi_deprecated_arm64_macos_unavailable
extern char *strncat(char *, const char *, size_t);
__kpi_deprecated_arm64_macos_unavailable
extern int strcmp(const char *, const char *);
extern size_t strlcpy(char *, const char *, size_t);
extern size_t strlcat(char *, const char *, size_t);
extern int strncmp(const char *, const char *, size_t);
extern int strcasecmp(const char *s1, const char *s2);
extern int strncasecmp(const char *s1, const char *s2, size_t n);
#ifdef XNU_KERNEL_PRIVATE
extern const char *strnstr(const char *s, const char *find, size_t slen);
#else
extern char *strnstr(const char *s, const char *find, size_t slen);
#endif
extern char *strchr(const char *s, int c);
#ifdef XNU_KERNEL_PRIVATE
extern char *strrchr(const char *s, int c);
#endif
extern char *STRDUP(const char *, int);
extern int strprefix(const char *s1, const char *s2);
extern int bcmp(const void *, const void *, size_t);
extern void bcopy(const void *, void *, size_t);
extern void bzero(void *, size_t);
extern int timingsafe_bcmp(const void *b1, const void *b2, size_t n);
#ifdef PRIVATE
#include <san/memintrinsics.h>
#endif
#if __has_builtin(__builtin_dynamic_object_size)
#define XNU_BOS __builtin_dynamic_object_size
#else
#define XNU_BOS __builtin_object_size
#endif
__attribute__((always_inline)) static inline void *
__nochk_memcpy(void *dest, const void *src, size_t len)
{
return __builtin___memcpy_chk(dest, src, len, XNU_BOS(dest, 0));
}
__attribute__((always_inline)) static inline void *
__nochk_memmove(void *dest, const void *src, size_t len)
{
return __builtin___memmove_chk(dest, src, len, XNU_BOS(dest, 0));
}
__attribute__((always_inline)) static inline void
__nochk_bcopy(const void *src, void *dest, size_t len)
{
__builtin___memmove_chk(dest, src, len, XNU_BOS(dest, 0));
}
#if defined(__MAC_OS_X_VERSION_MIN_REQUIRED) && __MAC_OS_X_VERSION_MIN_REQUIRED < __MAC_10_13
#elif defined(KASAN) || (defined (_FORTIFY_SOURCE) && _FORTIFY_SOURCE == 0)
#else
#if defined XNU_KERNEL_PRIVATE || defined(_FORTIFY_SOURCE_STRICT)
#define BOS_COPY_TYPE 1
#else
#define BOS_COPY_TYPE 0
#endif
#if __has_builtin(__builtin___memcpy_chk)
#define memcpy(dest, src, len) __builtin___memcpy_chk(dest, src, len, XNU_BOS(dest, BOS_COPY_TYPE))
#endif
#if __has_builtin(__builtin___memmove_chk)
#define memmove(dest, src, len) __builtin___memmove_chk(dest, src, len, XNU_BOS(dest, BOS_COPY_TYPE))
#endif
#if __has_builtin(__builtin___strncpy_chk)
#define strncpy(dest, src, len) __builtin___strncpy_chk(dest, src, len, XNU_BOS(dest, 1))
#endif
#if __has_builtin(__builtin___strncat_chk)
#define strncat(dest, src, len) __builtin___strncat_chk(dest, src, len, XNU_BOS(dest, 1))
#endif
#if __has_builtin(__builtin___strlcat_chk)
#define strlcat(dest, src, len) __builtin___strlcat_chk(dest, src, len, XNU_BOS(dest, 1))
#endif
#if __has_builtin(__builtin___strlcpy_chk)
#define strlcpy(dest, src, len) __builtin___strlcpy_chk(dest, src, len, XNU_BOS(dest, 1))
#endif
#if __has_builtin(__builtin___strcpy_chk)
#define strcpy(dest, src, len) __builtin___strcpy_chk(dest, src, XNU_BOS(dest, 1))
#endif
#if __has_builtin(__builtin___strcat_chk)
#define strcat(dest, src) __builtin___strcat_chk(dest, src, XNU_BOS(dest, 1))
#endif
#if __has_builtin(__builtin___memmove_chk)
#define bcopy(src, dest, len) __builtin___memmove_chk(dest, src, len, XNU_BOS(dest, BOS_COPY_TYPE))
#endif
#endif
#ifdef __cplusplus
}
#endif
#endif