roff_evalnum
int roff_evalnum(int, const char *, int *, int *, char, int);
roff_evalnum(ln, buf->buf + iarg, &npos,
if (roff_evalnum(ln, v, pos, &number, 'u', 0))
if ( ! roff_evalnum(ln, v, pos, res, unit, 1))
if (roff_evalnum(ln, val, &len, &iv, 'u', 0) == 0)
if (roff_evalnum(ln, step, NULL, &is, '\0', 0) == 0)
if ( ! roff_evalnum(ln, buf->buf, &pos, &iv, '\0', 0)) {
if (roff_evalnum(ln, r->man->last->string, &npos,
roff_evalnum(ln, buf->buf, &pos, &levels, '\0', 0) == 0) {
if (roff_evalnum(ln, p, pos, &isz, 'n', 1) == 0 ||