1#ifndef BOOT_STRING_H 2#define BOOT_STRING_H 3 4/* Undef any of these macros coming from string_32.h. */ 5#undef memcpy 6#undef memset 7#undef memcmp 8 9void *memcpy(void *dst, const void *src, size_t len); 10void *memset(void *dst, int c, size_t len); 11int memcmp(const void *s1, const void *s2, size_t len); 12 13/* 14 * Access builtin version by default. If one needs to use optimized version, 15 * do "undef memcpy" in .c file and link against right string.c 16 */ 17#define memcpy(d,s,l) __builtin_memcpy(d,s,l) 18#define memset(d,c,l) __builtin_memset(d,c,l) 19#define memcmp __builtin_memcmp 20 21#endif /* BOOT_STRING_H */ 22