>>410

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#define MAXCOL 1000

int main(void)
{
char ci[MAXCOL], buf[128];
int i;
FILE *fi, *fo;

printf("input file name:");
fgets(buf, sizeof(buf), stdin);
buf[strlen(buf) - 1] = '\0';
if ((fi = fopen(buf, "r")) == NULL) {
fprintf(stderr, "error: file open[%s].\n", buf);
exit(1);
}

printf("output file name:");
fgets(buf, sizeof(buf), stdin);
buf[strlen(buf) - 1] = '\0';
if ((fo = fopen(buf, "w")) == NULL) {
fprintf(stderr, "error: file open[%s].\n", buf);
exit(1);
}