clock.h

来自「国外网站上的一些精典的C程序」· C头文件 代码 · 共 31 行

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/* =======================================================================    CLOCK.H     A simple macro based implementation of the ANSI/ISO                standard clock() function and related items.                Some older C compilers for DOS do not implement these                items. E.g.: Turbo C 1.5 ... This file fixes it.                WARNING: There is no provision for handling the                24-hour/midnight rollover problem.                Suggested use: #include this file _after_ time.h if                there are problems related to clock().                v1.00  95-10-19  Initial version. _____          This version is Public Domain. /_|__|         Auke Reitsma, Delft, The Netherlands./  | \  --------------------------------------------------------------- */#ifndef CLOCKS_PER_SEC#include "extkword.h"   /* from Snippets, for definition of FAR */typedef long clock_t;#define clock()         *((clock_t FAR *)0x0040006cL)#define CLOCKS_PER_SEC  18.2#define CLK_TCK         18.2   /* Non-ANSI/ISO but _very_ common. */#endif/* === clock.h end ===================================================== */

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