p2-12.c

来自「UNIX程序设计教程」· C语言 代码 · 共 21 行

#include <stdio.h>
#include "err_exit.h"
int main(void)
{
    char tmpname[L_tmpnam];
    char *filename;
    FILE *stream;
    char *pfx = "XXXXX";
    printf("Temporary file name1 is: %s\n", tmpnam(NULL));
    tmpnam(tmpname);
    printf("Temporary file name2 is: %s\n",tmpname);
    if ((stream = fopen(tmpname,"w")) == NULL )
       err_exit("fopen() failed");
    else 
       printf("write tempfile %s ok\n", tmpname);
    printf("%s\n", tempnam("/usr/users/zkj/booktest/ch-2",pfx));
    printf("%s\n", tempnam(NULL, ""));
    printf("%s\n", tempnam("/not/exist/zkj/tmp",pfx));
    exit(0);
}