写文件示例

#include <stdio.h>
#include <afx.h>void main()
{
 LPCTSTR lp = "hello";
 short s = 70;
 long l = 200;
 double d = 20.5;
 char buf[200]; sprintf(buf, "%s %d %d %f\n", lp, s, l, d);
 FILE *fp;
 fp = fopen("c:\\ais1.txt", "wt");
 fprintf(fp, "%s", buf);
 fclose(fp);
}