一个磁盘信息向另一个磁盘信息的复制

#include<stdio.h>
#include<stdlib.h>
void main()
{
FILE* inputfp,*outputfp;
char ch,inputfilename[10],outputfilename[10];

scanf("%s,%s",inputfilename,outputfilename);
inputfp=fopen(inputfilename,"wr");
outputfp=fopen(outputfilename,"w");
if(inputfp==NULL)
{
printf("cannot open inputfilename\n");
exit(0);
}
if(outputfp==NULL)
{
printf("cannot open outfilename\n");
exit(0);
}
while(!feof(inputfp))
fputc(fgetc(inputfp),outputfp);
fclose(inputfp);
fclose(outputfp);
}