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#include <stdio.h>
#include <stdlib.h>
int main(int argc, char *argv[])
{
	FILE *source;
	FILE *target;
	int ch;
	
	if(argc != 3)
	{
		fprintf(stderr, "arg error");
		exit(EXIT_FAILURE);
	}
	
	if((source = fopen(argv[1], "rb")) == NULL)
	{
		printf("source error");
		exit(EXIT_FAILURE);
	}	
	
	if((target = fopen(argv[2], "wb")) == NULL)
	{
		printf("target error");
		exit(EXIT_FAILURE);
	}		
	
	while((ch = getc(source)) != EOF)
	{
		putc(ch, target);
	}
	
	fclose(source);
	fclose(target);
	
	return 0;
}

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