/CORE|__FILE__|__LINE__|__SUB__|abs|accept|alarm|and|atan2|bind|binmode|
bless|caller|chdir|chmod|chown|chr|chroot|close|closedir|cmp|connect|
continue|cos|crypt|dbmclose|dbmopen|die|dump|endgrent|endhostent|endnetent|
endprotoent|endpwent|endservent|eof|eq|exec|exit|exp|fc|fcntl|fileno|flock|
fork|formline|ge|getc|getgrent|getgrgid|getgrnam|gethostbyaddr|
gethostbyname|gethostent|getlogin|getnetbyaddr|getnetbyname|getnetent|
getpeername|getpgrp|getppid|getpriority|getprotobyname|getprotobynumber|
getprotoent|getpwent|getpwnam|getpwuid|getservbyname|getservbyport|
getservent|getsockname|getsockopt|glob|gmtime|gt|hex|index|int|ioctl|join|
kill|lc|lcfirst|le|length|link|listen|localtime|lock|log|lstat|lt|mkdir|
msgctl|msgget|msgrcv|msgsnd|ne|not|oct|open|opendir|or|ord|pack|pipe|
quotemeta|rand|read|readdir|readline|readlink|readpipe|recv|ref|rename|
require|reset|reverse|rewinddir|rindex|rmdir|seek|seekdir|select|semctl|
semget|semop|send|setgrent|sethostent|setnetent|setpgrp|setpriority|
setprotoent|setpwent|setservent|setsockopt|shmctl|shmget|shmread|shmwrite|
shutdown|sin|sleep|socket|socketpair|sprintf|sqrt|srand|stat|substr|
symlink|syscall|sysopen|sysread|sysseek|system|syswrite|tell|telldir|time|
times|truncate|uc|ucfirst|umask|unlink|unpack|utime|values|vec|wait|
waitpid|wantarray|warn|write|x|xor/x