C语言完美演绎9-24

/* 范例9-24 */#include fcntl.h#include io.h#include stdio.h#include stdlib.hvoid main(int argc,char *argv[]){int file1,file2;char buf[512];if((file1 open(argv[1],O_RDONLY))-1){printf(Read file %s Error!\n,argv[1]);exit(1);}if((file2 open(argv[2], O_WRONLY|O_CREAT))-1){printf(Create file %s Error!\n,argv[2]);exit(1);}while(read(file1,buf,512)0)write(file2,buf,512);close(file1);close(file2);}程序执行结果D:\TCp9-24 xx.txt out.txt