27 extern char *strchr(const char *s, int c);
30 extern size_t strlen(const char *s);
207 static inline void *__memset_generic(void *s, char c, size_t count)  in __memset_generic()  argument
213 		     : "a" (c), "1" (s), "0" (count)  in __memset_generic()
215 	return s;  in __memset_generic()
219 #define __constant_count_memset(s, c, count) __memset_generic((s), (c), (count))  argument
227 void *__constant_c_memset(void *s, unsigned long c, size_t count)  in __constant_c_memset()  argument
239 		     : "a" (c), "q" (count), "0" (count/4), "1" ((long)s)  in __constant_c_memset()
241 	return s;  in __constant_c_memset()
246 extern size_t strnlen(const char *s, size_t count);
257 void *__constant_c_and_count_memset(void *s, unsigned long pattern,  in __constant_c_and_count_memset()  argument
262 		return s;  in __constant_c_and_count_memset()
264 		*(unsigned char *)s = pattern & 0xff;  in __constant_c_and_count_memset()
265 		return s;  in __constant_c_and_count_memset()
267 		*(unsigned short *)s = pattern & 0xffff;  in __constant_c_and_count_memset()
268 		return s;  in __constant_c_and_count_memset()
270 		*(unsigned short *)s = pattern & 0xffff;  in __constant_c_and_count_memset()
271 		*((unsigned char *)s + 2) = pattern & 0xff;  in __constant_c_and_count_memset()
272 		return s;  in __constant_c_and_count_memset()
274 		*(unsigned long *)s = pattern;  in __constant_c_and_count_memset()
275 		return s;  in __constant_c_and_count_memset()
282 		     : "a" (eax), "0" (count/4), "1" ((long)s)	\  in __constant_c_and_count_memset()
297 			return s;  in __constant_c_and_count_memset()
300 			return s;  in __constant_c_and_count_memset()
303 			return s;  in __constant_c_and_count_memset()
306 			return s;  in __constant_c_and_count_memset()
313 #define __constant_c_x_memset(s, c, count)			\  argument
315 	 ? __constant_c_and_count_memset((s), (c), (count))	\
316 	 : __constant_c_memset((s), (c), (count)))
318 #define __memset(s, c, count)				\  argument
320 	 ? __constant_count_memset((s), (c), (count))	\
321 	 : __memset_generic((s), (c), (count)))
325 #define memset(s, c, count) __builtin_memset(s, c, count)  argument
327 #define memset(s, c, count)						\  argument
329 	 ? __constant_c_x_memset((s), (0x01010101UL * (unsigned char)(c)), \
331 	 : __memset((s), (c), (count)))