为何显示/tmp/中的文件出错呢，不解啊
谢谢先！

server::/home/bbssrc/fb2k/util/local_utl$ make usage
gcc -O2 -export -Wunused -I../include -I../../include -o usage usage.c
../../src/record.c
/tmp/ccZSgQM9.o: In function `get_num_records':
/tmp/ccZSgQM9.o(.text+0xa0): undefined reference to `usernum'
/tmp/ccZSgQM9.o(.text+0xf9): undefined reference to `digestmode'
/tmp/ccZSgQM9.o: In function `get_records':
/tmp/ccZSgQM9.o(.text+0x478): undefined reference to `usernum'
/tmp/ccZSgQM9.o(.text+0x6aa): undefined reference to `digestmode'
/tmp/ccZSgQM9.o: In function `delete_range':
/tmp/ccZSgQM9.o(.text+0xd66): undefined reference to `in_mail'
/tmp/ccZSgQM9.o(.text+0xd75): undefined reference to `in_mail'
collect2: ld returned 1 exit status
make: *** [usage] Error 1
--