172   const char *src_end;  /* end (`\0') of source string */  member
290     while (++s < ms->src_end) {  in matchbalance()
304   while ((s+i)<ms->src_end && singlematch(uchar(*(s+i)), p, ep))  in max_expand()
322     else if (s<ms->src_end && singlematch(uchar(*s), p, ep))  in min_expand()
358   if ((size_t)(ms->src_end-s) >= len &&  in match_capture()
411         return (s == ms->src_end) ? s : NULL;  /* check end of string */  in match()
416       int m = s<ms->src_end && singlematch(uchar(*s), p, ep);  in match()
518     ms.src_end = s+l1;  in str_find_aux()
531     } while (s1++ < ms.src_end && !anchor);  in str_find_aux()
556   ms.src_end = s+ls;  in gmatch_aux()
558        src <= ms.src_end;  in gmatch_aux()
660   ms.src_end = src+srcl;  in str_gsub()
671     else if (src < ms.src_end)  in str_gsub()
676   luaL_addlstring(&b, src, ms.src_end-src);  in str_gsub()