c语言编写程序，完成把一个文件的内容复制到另一个文件中去。源文件的名字从键盘输入，目的文件的名字也

c语言编写程序，完成把一个文件的内容复制到另一个文件中去。源文件的名字从键盘输入，目的文件的名字也

#include

int Copy_File(char* in_path,char* out_path)
{
FILE* in=NULL;
FILE* out=NULL;

if((in=fopen(in_path,"rb"))==NULL)
{
printf("无法打开源文件!\n");
return(1);
}

if((out=fopen(out_path,"wb+"))==NULL)
{
printf("无法创建目标文件!\n");
fclose(in);
return(1);
}

char data;

while(!feof(in))
{
if(1==fread(&data,sizeof(char),1,in))
fwrite(&data,sizeof(char),1,out);
}

fclose(in);
fclose(out);

return(0);
}

int main()
{
char in_path[256];
char out_path[256];

printf("请输入源文件的路径: ");
scanf("%s",in_path);

printf("请输入目的文件的路径: ");
scanf("%s",out_path);

if(Copy_File(in_path,out_path))
{
printf("拷贝失败!");
}else
printf("拷贝成功!");

return(0);
}

#include
#include
#include
#ifdef BUFSIZ
#undef BUFSIZ
#define BUFSIZ 4096
#endif

int main(int argc,char **argv)
{
char buf[BUFSIZ];
int msglen;
if(argc!=3||strcmp(argv[1],argv[2])==0)

{
fprintf(stderr,"********************************\n\n");
fprintf(stderr,"Please usage:%s source_file destination_file\nAnd source_file is different from destination_file\n\n",argv[0]);
fprintf(stderr,"********************************\n");
exit(0);
}
FILE *fp_src,*fp_des;
if((fp_src=fopen(argv[1],"r"))==NULL)

{
fprintf(stderr,"open %s failed!\n",argv[1]);
exit(1);
}
if((fp_des=fopen(argv[2],"w"))==NULL)

{
fprintf(stderr,"open/create %s failed!\n",argv[2]);
exit(2);
}
while(fgets(buf,BUFSIZ,fp_src)!=NULL)

{

if(fputs(buf,fp_des)==EOF)

{
fprintf(stderr,"copy %s to %s failed!\n",argv[1],argv[2]);
exit(3);
}
}
printf("copy %s to %s successful!\n",argv[1],argv[2]);
return 0;
}