i have problem in install

[Alex1]

i have problem in install

i say make install and this error:

spcp_daemon.c:132: warning: implicit declaration of function ‘inet_ntop’
ispcp_daemon.c:134: error: ‘childpid’ undeclared (first use in this function)
ispcp_daemon.c:134: warning: implicit declaration of function ‘fork’
ispcp_daemon.c:137: warning: implicit declaration of function ‘close’
ispcp_daemon.c:141: warning: implicit declaration of function ‘sprintf’
ispcp_daemon.c:141: warning: incompatible implicit declaration of built-in function ‘sprintf’
ispcp_daemon.c:147: warning: implicit declaration of function ‘free’
ispcp_daemon.c:149: warning: incompatible implicit declaration of built-in function ‘exit’
ispcp_daemon.c:155: warning: implicit declaration of function ‘closelog’
ispcp_daemon.c:15: warning: unused variable ‘cliaddr’
ispcp_daemon.c:12: warning: unused variable ‘servaddr’
make[2]: *** [ispcp_daemon.o] Error 1
make[2]: Leaving directory `/root/ispcp.1.0.0/tools/daemon'
make[1]: *** [daemon/ispcp_daemon] Error 2
make[1]: Leaving directory `/root/ispcp.1.0.0/tools'
make: *** [install] Error 2