itoa
strlcpy(hpbuf, (t1->hp > 0) ? itoa(t1->hp) : "-", sizeof(hpbuf));
static char *itoa(int);
itoa(gstate->displays));
display_write(x, y, color, 0, itoa(num));
display_write(x, y, color, 0, itoa((int)num));
char *itoa(int);
static char *itoa(int _i);
card('I', itoa(indent));