CY.hisn_week14

 1.開檔案
#include <stdio.h>
int main()
{
        FILE * fout = fopen("file.txt","w+");///新增記事本
        printf("Hello World\n");
        fprintf(fout,"Hello World\n");
        fclose(fout);
}

2.

#include <stdio.h>

int main()

{

        FILE * fout = fopen("file2.txt","w+");///新增記事本

        fprintf(fout,"angle1 %d\n", 999);

        fclose(fout);

        char line[200];

        int a;

        FILE * fin = fopen("file2.txt","r");

        fscanf(fin,"%s %d", line, &a);

        printf("讀到了字串:%s 及整數%d\n", line, a);

        fclose(fin);

}