#include <u.h>#include <libc.h>#include "String.h" extern String*	_s_alloc(void); /* return a String containing a character array (this had better not grow) */extern String *s_array(char *cp, int len){	String *sp = _s_alloc(); 	sp->base = sp->ptr = cp;	sp->end = sp->base + len;	sp->fixed = 1;	return sp;}