memout
memout.nextc = memout.buf;
backcmd->buf = memout.buf;
backcmd->nleft = memout.buf != NULL ?
memout.nextc - memout.buf : 0;
memout.buf = NULL;
memout.nextc = NULL;
memout.bufend = NULL;
memout.bufsize = 64;
struct output memout = {NULL, NULL, NULL, 64, MEM_OUT, 0};
extern struct output memout;
out1 = &memout;
out2 = &memout;
&& memout(mem, ' ', llen, pos) == 0)
return memout(mem, c, llen, pos);