25 static char *write_num(char *str, ul num, int base, int field_width, int precision, int flags);
27 static char *write_float_point_num(char *str, double num, int field_width, int precision, int flags…
383 static char *write_num(char *str, ul num, int base, int field_width, int precision, int flags)  in write_num()  argument
415         int64_t signed_num = (int64_t)num;  in write_num()
419             num = -signed_num;  in write_num()
422             num = signed_num;  in write_num()
442     if (num == 0)  in write_num()
446         num = ABS(num);  in write_num()
448         while (num > 0)  in write_num()
450             tmp_num[js_num++] = digits[num % base]; // 注意这里，输出的数字，是小端对齐的。低位存低位  in write_num()
451             num /= base;  in write_num()
493 static char *write_float_point_num(char *str, double num, int field_width, int precision, int flags)  in write_float_point_num()  argument
515     if (flags & SIGN && num < 0)  in write_float_point_num()
518         num = -num;  in write_float_point_num()
531     uint64_t num_z = (uint64_t)(num);                                                   // 获取整数部分  in write_float_point_num()
532     uint64_t num_decimal = (uint64_t)(round(1.0 * (num - num_z) * pow(10, precision))); // 获取小数部分  in write_float_point_num()
534     if (num == 0 || num_z == 0)  in write_float_point_num()