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