学会对文件的记录锁定，及解锁。#include <stdio.h> #include <unistd.h> #include <fcntl.h> int main() { int fd int i struct { char name[20] uint ID int age } myrec fd =open(\"name\", O_RDWR|O_CREAT, 0755)

第三方BGI使用测试例程，#include "graphics.h" #include "Svga256.h" #include "stdio.h" #include "fcntl.h" #include "malloc.h" #include "io.h"-the third BGI testing examples，#include "graphics.h" #include "Svga256.h" #include "stdio.h" #include "f