-C<-X>, C<binmode>, C<chmod>, C<chown>, C<chroot>, C<crypt>,
-C<dbmclose>, C<dbmopen>, C<dump>, C<endgrent>, C<endhostent>,
-C<endnetent>, C<endprotoent>, C<endpwent>, C<endservent>, C<exec>,
-C<fcntl>, C<flock>, C<fork>, C<getgrent>, C<getgrgid>, C<gethostbyname>,
-C<gethostent>, C<getlogin>, C<getnetbyaddr>, C<getnetbyname>, C<getnetent>,
-C<getppid>, C<getpgrp>, C<getpriority>, C<getprotobynumber>,
-C<getprotoent>, C<getpwent>, C<getpwnam>, C<getpwuid>,
-C<getservbyport>, C<getservent>, C<getsockopt>, C<glob>, C<ioctl>,
-C<kill>, C<link>, C<lstat>, C<msgctl>, C<msgget>, C<msgrcv>,
-C<msgsnd>, C<open>, C<pipe>, C<readlink>, C<rename>, C<select>, C<semctl>,
-C<semget>, C<semop>, C<setgrent>, C<sethostent>, C<setnetent>,
-C<setpgrp>, C<setpriority>, C<setprotoent>, C<setpwent>,
-C<setservent>, C<setsockopt>, C<shmctl>, C<shmget>, C<shmread>,
-C<shmwrite>, C<socket>, C<socketpair>,
-C<stat>, C<symlink>, C<syscall>, C<sysopen>, C<system>,
-C<times>, C<truncate>, C<umask>, C<unlink>,
-C<utime>, C<wait>, C<waitpid>
+L<C<-I<X>>|/-X FILEHANDLE>, L<C<binmode>|/binmode FILEHANDLE, LAYER>,
+L<C<chmod>|/chmod LIST>, L<C<chown>|/chown LIST>,
+L<C<chroot>|/chroot FILENAME>, L<C<crypt>|/crypt PLAINTEXT,SALT>,
+L<C<dbmclose>|/dbmclose HASH>, L<C<dbmopen>|/dbmopen HASH,DBNAME,MASK>,
+L<C<dump>|/dump LABEL>, L<C<endgrent>|/endgrent>,
+L<C<endhostent>|/endhostent>, L<C<endnetent>|/endnetent>,
+L<C<endprotoent>|/endprotoent>, L<C<endpwent>|/endpwent>,
+L<C<endservent>|/endservent>, L<C<exec>|/exec LIST>,
+L<C<fcntl>|/fcntl FILEHANDLE,FUNCTION,SCALAR>,
+L<C<flock>|/flock FILEHANDLE,OPERATION>, L<C<fork>|/fork>,
+L<C<getgrent>|/getgrent>, L<C<getgrgid>|/getgrgid GID>,
+L<C<gethostbyname>|/gethostbyname NAME>, L<C<gethostent>|/gethostent>,
+L<C<getlogin>|/getlogin>,
+L<C<getnetbyaddr>|/getnetbyaddr ADDR,ADDRTYPE>,
+L<C<getnetbyname>|/getnetbyname NAME>, L<C<getnetent>|/getnetent>,
+L<C<getppid>|/getppid>, L<C<getpgrp>|/getpgrp PID>,
+L<C<getpriority>|/getpriority WHICH,WHO>,
+L<C<getprotobynumber>|/getprotobynumber NUMBER>,
+L<C<getprotoent>|/getprotoent>, L<C<getpwent>|/getpwent>,
+L<C<getpwnam>|/getpwnam NAME>, L<C<getpwuid>|/getpwuid UID>,
+L<C<getservbyport>|/getservbyport PORT,PROTO>,
+L<C<getservent>|/getservent>,
+L<C<getsockopt>|/getsockopt SOCKET,LEVEL,OPTNAME>,
+L<C<glob>|/glob EXPR>, L<C<ioctl>|/ioctl FILEHANDLE,FUNCTION,SCALAR>,
+L<C<kill>|/kill SIGNAL, LIST>, L<C<link>|/link OLDFILE,NEWFILE>,
+L<C<lstat>|/lstat FILEHANDLE>, L<C<msgctl>|/msgctl ID,CMD,ARG>,
+L<C<msgget>|/msgget KEY,FLAGS>,
+L<C<msgrcv>|/msgrcv ID,VAR,SIZE,TYPE,FLAGS>,
+L<C<msgsnd>|/msgsnd ID,MSG,FLAGS>, L<C<open>|/open FILEHANDLE,EXPR>,
+L<C<pipe>|/pipe READHANDLE,WRITEHANDLE>, L<C<readlink>|/readlink EXPR>,
+L<C<rename>|/rename OLDNAME,NEWNAME>,
+L<C<select>|/select RBITS,WBITS,EBITS,TIMEOUT>,
+L<C<semctl>|/semctl ID,SEMNUM,CMD,ARG>,
+L<C<semget>|/semget KEY,NSEMS,FLAGS>, L<C<semop>|/semop KEY,OPSTRING>,
+L<C<setgrent>|/setgrent>, L<C<sethostent>|/sethostent STAYOPEN>,
+L<C<setnetent>|/setnetent STAYOPEN>, L<C<setpgrp>|/setpgrp PID,PGRP>,
+L<C<setpriority>|/setpriority WHICH,WHO,PRIORITY>,
+L<C<setprotoent>|/setprotoent STAYOPEN>, L<C<setpwent>|/setpwent>,
+L<C<setservent>|/setservent STAYOPEN>,
+L<C<setsockopt>|/setsockopt SOCKET,LEVEL,OPTNAME,OPTVAL>,
+L<C<shmctl>|/shmctl ID,CMD,ARG>, L<C<shmget>|/shmget KEY,SIZE,FLAGS>,
+L<C<shmread>|/shmread ID,VAR,POS,SIZE>,
+L<C<shmwrite>|/shmwrite ID,STRING,POS,SIZE>,
+L<C<socket>|/socket SOCKET,DOMAIN,TYPE,PROTOCOL>,
+L<C<socketpair>|/socketpair SOCKET1,SOCKET2,DOMAIN,TYPE,PROTOCOL>,
+L<C<stat>|/stat FILEHANDLE>, L<C<symlink>|/symlink OLDFILE,NEWFILE>,
+L<C<syscall>|/syscall NUMBER, LIST>,
+L<C<sysopen>|/sysopen FILEHANDLE,FILENAME,MODE>,
+L<C<system>|/system LIST>, L<C<times>|/times>,
+L<C<truncate>|/truncate FILEHANDLE,LENGTH>, L<C<umask>|/umask EXPR>,
+L<C<unlink>|/unlink LIST>, L<C<utime>|/utime LIST>, L<C<wait>|/wait>,
+L<C<waitpid>|/waitpid PID,FLAGS>