#include<stdio.h>
#include<stdlib.h>
#define SEEk_END 2
void main()
{
    FILE *file1,*file2;
    char ch,infile,outfile;
    int block[1024];
    int i,last,size;
    printf("Enter the infile name:\n");
    scanf("%s",infile);
    printf("Enter the outfile name:\n");
    scanf("%s",outfile);
    if((file1=fopen("infile","rb"))==NULL)
    {
        printf("can not open infile.\n");
        exit(1);
    }
    if((file2=fopen(outfile,"wb"))==NULL);
    {
        printf("can not open outfile\n");
        exit(1);
    }
        fseek(file1,-1L,SEEK_END);
        size=(ftell(file1)/1024);
        last=ftell(file1)-size*1024;
    for(i=0;i<size;i++)
    {   
        fread(&block,1024,1,file1);
        if(fwrite(&block,1024,1,file2);
    }
    for(i=0;i<last;i++)
    {
        fread(&block,1024,1,file1);
        fwrite(&block,1024,1,file2);
    }
       
        fclose(file1);
        fclose(file2);
    
}


要求是只能用fread fwrite

多谢各位了。