在statguy里边调用mail_file时候出现了段错误，用gdb查看
有这样的提示

(gdb) bt
#0  0x0082f680 in apply_utmp (fptr=0x8277bd <setutmpmailcheck>, maxcount=0, userid=0x8049390 "leon", arg=0x0) at utmp.c:555
#1  0x00827802 in setmailcheck (userid=0x8049390 "leon") at stuff.c:1757
#2  0x00837835 in mail_file (fromid=0x8049396 "deliver", tmpfile=0x8049395 "", userid=0x8049390 "leon",
    title=0x8049382 "testmail", unlinkmode=0, fh=0x0) at bbs_sendmail.c:363
#3  0x08048fd0 in main (argc=3, argv=0xbff42e54) at statguy.c:134
(gdb)

是不是调用的地方不对啊？请大牛指点一下
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