thank you very very much
output of make:
pass.o: In function `passverify':
/usr/src/fwtk/fwtk/auth/pass.c:39: undefined reference to `crypt'
pass.o: In function `passset':
/usr/src/fwtk/fwtk/auth/pass.c:70: undefined reference to `crypt'
make[1]: *** [authsrv] Error 1
编译时应该加上 -lcrypt
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