09/07/14 21:21:18
>>81
課題1
#include <stdio.h>
int main(int argc, char **argv)
{
FILE *fp1, *fp2, *tfp;
int c;
if (argc != 3) return 1;
fp1 = fopen(argv[1], "r"); tfp = fopen("temp.txt", "w");
while ((c = fgetc(fp1)) != EOF) fputc(c, tfp);
fclose(fp1); fclose(tfp);
fp1 = fopen(argv[1], "w"); fp2 = fopen(argv[2], "r");
while ((c = fgetc(fp2)) != EOF) fputc(c, fp1);
fclose(fp1); fclose(fp2);
fp2 = fopen(argv[2], "w"); tfp = fopen("temp.txt", "r");
while ((c = fgetc(tfp)) != EOF) fputc(c, fp2);
fclose(fp2); fclose(tfp);
return 0;
}