奥芝的专栏

下面是函数指针的一个小应用.Unit1.h#ifndef Unit1H #define Unit1H typedef struct DOSMenu { int MenuID; char *MenuLabel; void (*OnSelect)(); } DOSMenu; void ShowMenu(DOSM

-mt编译一个多线程的程序，或连接一个多线程的库到程序的时候，必须指定。 -D宏定义。例：用-DDEBUG参数，则代码中DEBUG宏被定义。#ifdef DEBUG和#endif间的代码将被编译。  Purposesun ccgnu ccCompile in 64bit mode-xarch= (-xarch=generic64

<br />#include <stdio.h> #include <sys/types.h> #include <dirent.h> static char types[13][20]={ "unknown", "named pipe (FIFO)", "character device", "", "directory", "", "block device", "", "regular file", "", "symbolic link", "", "Unix doma

#include #include int main(int argc, char **argv) { char c; char buf[4096]; int len; char tk[3]={0x1f,0x8b,0x08}; FILE *fip=NULL; FILE *fop=NULL; switch(argc) { case 1: