/* 范例：9-26 */
#include <stdio.h>
#include <stdlib.h>
void main(int argc,char *argv[])
{
  if(argc!=2)
  {
    printf("Syntax Error!\n\tp9-26 filename");
    exit(1);
  }
  if((remove(argv[1]))!=-1)
    printf("Delete %s success!\n",argv[1]);
  else
    printf("Cannot delete %s\n",argv[1]);
}

程序執行結果：(假設oo.txt為已存在(要刪除)的文件名) 
D:\TC>p9-26 oo.txt
Delete oo.txt success!