#include
#include
#define DEBUG
int main(int argc, char *argv[])
{
FILE *from, *to;
char ch;
/* check number of command line arguments */
if( argc != 3) {
printf("Usage: copy \n");
exit(1);
}
/* open source file */
if((from = fopen(argv[1], "rb"))==NULL) {
printf("Cannot open source file.\n");
exit(1);
}
/*open destination file */
if((to = fopen (argv[2], "wb")) ==NULL) {
printf("Cannot open destination file.\n");
exit(1);
}
while(!feof(from)) {
ch = fgetc(from);
if(ferror(from)) {
printf("Error reading source file.\n");
exit(1);
}
if(!feof(from)) {
fputc(ch, to);
}
if(ferror(to)) {
printf("Error writing destination file.\n");
exit(1);
}
}
fclose(from);
fclose(to);
return 0;
}