#include "libft.h" // return length of int // eg. 123 -> 3, -123 -> 4 size_t ft_nbrlen(int nbr) { int len; int is_negative; is_negative = nbr < 0; len = (nbr < 0) ? 2 : 1; while (nbr /= 10) len++; return len + is_negative; }