摘要：
#include <stdio.h>#include <stdlib.h>int main(){ int c; FILE *in,*out; in=fopen("file.in","r"); out=fopen("file.out","w"); while((c=fgetc(in))!=EOF) fputc(c,out); exit(0);} 阅读全文
摘要：
#include <unistd.h>#include <fcntl.h>#include <sys/types.h>#include <sys/stat.h>#include <stdlib.h>int main(){ char block[1024]; int in,out; int nread; in=open("file.in",O_RDONLY); out=open("file.out",O_WRONLY|O_CREAT,S_IRUSR|S_IWUSR); while ((nread= 阅读全文