函数名: creattemp
功 能: 创建一个新文件或重写一个已存在的文件
用 法: #include <dos.h>
int creattemp(const char *filename, int attrib);
程序例:
#include <string.h>
#include <stdio.h>
#include <dos.h>
#include <io.h>
int main(void)
{
int handle;
char pathname[128];
strcpy(pathname, "\\");
/* create a unique file in the root directory */
handle = creattemp(pathname, 0);
printf("%s was the unique file created.\n", pathname);
close(handle);
return 0;
}