xrealloc
line = xrealloc(line, chunk_count * BUFSIZ);
temp_creds = xrealloc(temp_creds,
*xrealloc (void *, size_t),
static void *xrealloc(void *, size_t);
#define XMALLOC(x) xrealloc(0,x)
buf = xrealloc(buf, length * sizeof(wchar_t));
static void *xrealloc(void *, size_t);
cptr = curline = xrealloc(curline, curlen *= 2);
msg = xrealloc(msg, clen);
msg = xrealloc(msg, msglen);
grps = xrealloc(grps, grpsz * sizeof *grps);
pwds = xrealloc(pwds, pwdsz * sizeof *pwds);
extern void *xrealloc(void *, size_t, const char *, ...) __printf0like(3, 4);
buffer = xrealloc(buffer, bufsize, NULL);
buffer = xrealloc(buffer, bufsize, NULL);
sstack = xrealloc(sstack, STACKMAX,
newbuf = xrealloc(buf, bufsize, "too many characters pushed back");
sizestr = xrealloc(sizestr,
void *xrealloc(void *ptr, size_t size);
nstrtabp = xrealloc(nstrtabp, nstrtab_size, fn,