void fun(char s[]){ int i = 0, j = 0; while (s[i] != '\0') { if (s[i] >= '0' && s[i] <= '9') { i++; break; } i++; } j = i; while (s[j] != '\0') { j++; } if (j == i) s[j] = '*'; else { while (j >= i) { s[j + 1] = s[j]; j--; } s[++j] = '*'; }}