55 	register int r0 asm("0") = (char) c;  in memchr()
64 		: "+a" (ret), "+&a" (s) : "d" (r0) : "cc");  in memchr()
70 	register int r0 asm("0") = (char) c;  in memscan()
76 		: "+a" (ret), "+&a" (s) : "d" (r0) : "cc");  in memscan()
82 	register int r0 asm("0") = 0;  in strcat()
92 		: "d" (r0), "0" (0) : "cc", "memory" );  in strcat()
98 	register int r0 asm("0") = 0;  in strcpy()
104 		: "+&a" (dst), "+&a" (src) : "d" (r0)  in strcpy()
111 	register unsigned long r0 asm("0") = 0;  in strlen()
117 		: "+d" (r0), "+a" (tmp) :  : "cc");  in strlen()
118 	return r0 - (unsigned long) s;  in strlen()
123 	register int r0 asm("0") = 0;  in strnlen()
130 		: "+a" (end), "+a" (tmp) : "d" (r0)  : "cc");  in strnlen()