{{DISPLAYTITLE:time_t time(time_t *time);}}[[Category:cpp date time|1]] = C 库函数 - time() =

{{DISPLAYTITLE:char *ctime(const time_t *time);}}[[Category:cpp date time|2]] = C 库函数 - ctime() =

…TITLE:double difftime ( time_t time2, time_t time1 );}}[[Category:cpp date time|8]] = C 库函数 - difftime() =

…ISPLAYTITLE:struct tm *localtime(const time_t *time);}}[[Category:cpp date time|3]] = C 库函数 - localtime() =

{{DISPLAYTITLE:struct tm *gmtime(const time_t *time);}}[[Category:cpp date time|6]] = C 库函数 - gmtime() =

{{DISPLAYTITLE:clock_t clock(void);}}[[Category:cpp date time|4]] [[c standard library time h|C 标准库 - <time.h>]]

…SPLAYTITLE:char * asctime ( const struct tm * time );}}[[Category:cpp date time|5]] = C 库函数 - asctime() =

{{DISPLAYTITLE:time_t mktime(struct tm *time);}}[[Category:cpp date time|7]] = C 库函数 - mktime() =

…预处理器只不过是一个文本替换工具而已，它们会指示编译器在实际编译之前完成所需的预处理。我们将把 C 预处理器（C Preprocessor）简写为 CPP。 这个指令告诉 CPP 把所有的 MAX_ARRAY_LENGTH 替换为 20。使用 #define 定义常量来

{{DISPLAYTITLE:size_t strftime();}}[[Category:cpp date time|9]] = C 库函数 - strftime() =