一个临时文件程序

        1 #include
      2 #include "stdio.h"
      3 #define MAXLINE 8192
      4 main()
      5 {
      6         char    name[L_tmpnam], line[MAXLINE];
      7         FILE    *fp;
      8         printf("%s\n",tmpnam(NULL));
      9         tmpnam(name);
     10         printf("%s\n", name);
     11         if((fp = tmpfile()) == NULL)
     12                 printf("tmpfile error");
     13         fputs("one line of output\n", fp);
     14         rewind(fp);
     15         if(fgets(line, sizeof(line), fp) == NULL)
     16                 printf("fgets error");
     17         fputs(line, stdout);
     18         exit(0);
     19 }