Linux 安装ftp时出错

sysutil.c: In function `vsf_sysutil_set_iptos_throughput':
sysutil.c:678: error: `IPTOS_THROUGHPUT' undeclared (first use in this function)
sysutil.c:680: error: `IPPROTO_IP' undeclared (first use in this function)
sysutil.c:680: error: `IP_TOS' undeclared (first use in this function)
sysutil.c: In function `vsf_sysutil_activate_linger':
sysutil.c:687: error: storage size of 'the_linger' isn't known
sysutil.c:691: error: `SOL_SOCKET' undeclared (first use in this function)
sysutil.c:691: error: `SO_LINGER' undeclared (first use in this function)
sysutil.c:687: warning: unused variable `the_linger'
sysutil.c: In function `vsf_sysutil_deactivate_linger_failok':
sysutil.c:702: error: storage size of 'the_linger' isn't known
sysutil.c:705: error: `SOL_SOCKET' undeclared (first use in this function)
sysutil.c:705: error: `SO_LINGER' undeclared (first use in this function)
sysutil.c:702: warning: unused variable `the_linger'
sysutil.c: In function `vsf_sysutil_activate_noblock':
sysutil.c:712: error: `F_GETFL' undeclared (first use in this function)
sysutil.c:717: error: `O_NONBLOCK' undeclared (first use in this function)
sysutil.c:718: error: `F_SETFL' undeclared (first use in this function)
sysutil.c: In function `vsf_sysutil_deactivate_noblock':
sysutil.c:7