getnstr
static const char *getnstr(const char *, int *, size_t *);
p1 = getnstr(opnd1, &sig1, &len1);
p2 = getnstr(opnd2, &sig2, &len2);
p = getnstr(s, &sig, &len);
extern NCURSES_EXPORT(int) getnstr (char *, int); /* generated */
while (getnstr(buffer, size) == KEY_RESIZE)
getnstr(buf, sizeof(buf));