向标准输入输出里操作
``int64_t put_string(char *str, uint64_t front_color, uint64_t bg_color)``
输出字符串(带有前景色,背景色)
``int printf(const char *fmt, ...)``
就是正常的 ``printf``
``int sprintf(char *buf,const char *fmt,...)```
就是正常的 ``sprintf``
``int vsprintf(char *buf,const char *fmt,va_list args)``
格式化,不建议调用,请用 printf 或 sprintf 替代。
### 字体颜色的宏定义
``#define COLOR_WHITE 0x00ffffff
``#define COLOR_BLACK 0x00000000
``#define COLOR_RED 0x00ff0000
``#define COLOR_ORANGE 0x00ff8000
``#define COLOR_YELLOW 0x00ffff00
``#define COLOR_GREEN 0x0000ff00
``#define COLOR_BLUE 0x000000ff
``#define COLOR_INDIGO 0x0000ffff
``#define COLOR_PURPLE 0x008000ff
### 无需使用
``#define SEEK_SET 0 ``
``#define SEEK_CUR 1 ``
``#define SEEK_END 2 ``
``#define SEEK_MAX 3``