#include "stdio_impl.h"

char *fgetln(FILE *f, size_t *plen)
{
	char *z;
	ssize_t l;
	if ((z=memchr(f->rpos, '\n', f->rend - f->rpos))) {
		char *ret = (char *)f->rpos;
		*plen = ++z - ret;
		f->rpos = (void *)z;
		return ret;
	}
	if ((l = getline(&f->getln_buf, (size_t[]){0}, f)) > 0) {
		*plen = l;
		return f->getln_buf;
	}
	return 0;
}