=item Background and PERL_IMPLICIT_CONTEXT
+=item So what happened to dTHR?
+
=item How do I use all this in extensions?
+=item Should I do anything special if I call perl from multiple threads?
+
=item Future Plans and PERL_IMPLICIT_SYS
=back
=item Internal Functions
-A, p, d, s, n, r, f, m, o, j, x
+A, p, d, s, n, r, f, M, o, j, x
=over 4
hv_iterinit, hv_iterkey, hv_iterkeysv, hv_iternext, hv_iternextsv,
hv_iterval, hv_magic, hv_store, hv_store_ent, hv_undef, isALNUM, isALPHA,
isDIGIT, isLOWER, isSPACE, isUPPER, is_utf8_char, is_utf8_string, items,
-ix, LEAVE, looks_like_number, MARK, mg_clear, mg_copy, mg_find, mg_free,
-mg_get, mg_length, mg_magical, mg_set, Move, New, newAV, Newc, newCONSTSUB,
-newHV, newRV_inc, newRV_noinc, NEWSV, newSViv, newSVnv, newSVpv, newSVpvf,
-newSVpvn, newSVpvn_share, newSVrv, newSVsv, newSVuv, newXS, newXSproto,
-Newz, Nullav, Nullch, Nullcv, Nullhv, Nullsv, ORIGMARK, perl_alloc,
-perl_construct, perl_destruct, perl_free, perl_parse, perl_run,
+ix, LEAVE, load_module, looks_like_number, MARK, mg_clear, mg_copy,
+mg_find, mg_free, mg_get, mg_length, mg_magical, mg_set, Move, New, newAV,
+Newc, newCONSTSUB, newHV, newRV_inc, newRV_noinc, NEWSV, newSViv, newSVnv,
+newSVpv, newSVpvf, newSVpvn, newSVpvn_share, newSVrv, newSVsv, newSVuv,
+newXS, newXSproto, Newz, Nullav, Nullch, Nullcv, Nullhv, Nullsv, ORIGMARK,
+perl_alloc, perl_construct, perl_destruct, perl_free, perl_parse, perl_run,
PL_modglobal, PL_na, PL_sv_no, PL_sv_undef, PL_sv_yes, POPi, POPl, POPn,
POPp, POPpbytex, POPpx, POPs, PUSHi, PUSHMARK, PUSHn, PUSHp, PUSHs, PUSHu,
PUTBACK, Renew, Renewc, require_pv, RETVAL, Safefree, savepv, savepvn,
SvPOK_off, SvPOK_on, SvPOK_only, SvPOK_only_UTF8, SvPV, SvPVX, SvPV_force,
SvPV_nolen, SvREFCNT, SvREFCNT_dec, SvREFCNT_inc, SvROK, SvROK_off,
SvROK_on, SvRV, SvSETMAGIC, SvSetSV, SvSetSV_nosteal, SvSTASH, SvTAINT,
-SvTAINTED, SvTAINTED_off, SvTAINTED_on, SvTRUE, svtype, SvTYPE, SVt_IV,
+SvTAINTED, SvTAINTED_off, SvTAINTED_on, SvTRUE, SvTYPE, svtype, SVt_IV,
SVt_NV, SVt_PV, SVt_PVAV, SVt_PVCV, SVt_PVHV, SVt_PVMG, SvUOK, SvUPGRADE,
SvUTF8, SvUTF8_off, SvUTF8_on, SvUV, SvUVX, sv_2mortal, sv_bless, sv_catpv,
sv_catpvf, sv_catpvf_mg, sv_catpvn, sv_catpvn_mg, sv_catpv_mg, sv_catsv,
=item Functions and Attributes
-1. Opening and setup functions, 2. Basic IO operations, 3. Stdio class
-buffering options, 4. Functions to support Perl's traditional "fast" access
-to the buffer
-
=item Per-instance Data
=item Layers in action.
=item DESCRIPTION
-=item UNIMPLEMENTED FUNCTIONALITY
+=item NONPERLIO FUNCTIONALITY
+
+=item IMPLEMENTATION DETAILS
=item SEE ALSO
=back
-=head2 perlio - perl pragma to configure C level IO
-
-=over 4
-
-=item SYNOPSIS
-
-=item DESCRIPTION
-
-unix, stdio, perlio
-
-=over 4
-
-=item Defaults and how to override them
-
-=back
-
-=item AUTHOR
-
-=back
-
=head2 re - Perl pragma to alter regular expression behaviour
=over 4
=item B::PV METHODS
-PV
+PV, PVX
=item B::PVMG METHODS
=head2 Carp::Heavy, Carp heavy machinery - no user serviceable parts inside
+=head2 Class::ISA -- report the search path for a class's ISA tree
+
+=over 4
+
+=item SYNOPSIS
+
+=item DESCRIPTION
+
+=item FUNCTIONS
+
+the function Class::ISA::super_path($CLASS), the function
+Class::ISA::self_and_super_path($CLASS), the function
+Class::ISA::self_and_super_versions($CLASS)
+
+=item CAUTIONARY NOTES
+
+=item COPYRIGHT
+
+=item AUTHOR
+
+=back
+
=head2 Class::Struct - declare struct-like datatypes as Perl classes
=over 4
C<d_atolf>, C<d_atoll>, C<d_attribut>, C<d_bcmp>, C<d_bcopy>,
C<d_bincompat5005>, C<d_bsd>, C<d_bsdgetpgrp>, C<d_bsdsetpgrp>, C<d_bzero>,
C<d_casti32>, C<d_castneg>, C<d_charvspr>, C<d_chown>, C<d_chroot>,
-C<d_chsize>, C<d_closedir>, C<d_const>, C<d_crypt>, C<d_csh>, C<d_cuserid>,
-C<d_dbl_dig>, C<d_difftime>, C<d_dirnamlen>, C<d_dlerror>, C<d_dlopen>,
-C<d_dlsymun>, C<d_dosuid>, C<d_drand48proto>, C<d_dup2>, C<d_eaccess>,
-C<d_endgrent>, C<d_endhent>, C<d_endnent>, C<d_endpent>, C<d_endpwent>,
-C<d_endsent>, C<d_eofnblk>, C<d_eunice>, C<d_fchmod>, C<d_fchown>,
-C<d_fcntl>, C<d_fcntl_can_lock>, C<d_fd_macros>, C<d_fd_set>,
-C<d_fds_bits>, C<d_fgetpos>, C<d_flexfnam>, C<d_flock>, C<d_fork>,
-C<d_fpathconf>, C<d_fpos64_t>, C<d_frexpl>, C<d_fs_data_s>, C<d_fseeko>,
-C<d_fsetpos>, C<d_fstatfs>, C<d_fstatvfs>, C<d_fsync>, C<d_ftello>,
-C<d_ftime>, C<d_Gconvert>, C<d_getcwd>, C<d_getespwnam>, C<d_getfsstat>,
-C<d_getgrent>, C<d_getgrps>, C<d_gethbyaddr>, C<d_gethbyname>,
-C<d_gethent>, C<d_gethname>, C<d_gethostprotos>, C<d_getlogin>,
-C<d_getmnt>, C<d_getmntent>, C<d_getnbyaddr>, C<d_getnbyname>,
-C<d_getnent>, C<d_getnetprotos>, C<d_getpagsz>, C<d_getpbyname>,
-C<d_getpbynumber>, C<d_getpent>, C<d_getpgid>, C<d_getpgrp2>, C<d_getpgrp>,
-C<d_getppid>, C<d_getprior>, C<d_getprotoprotos>, C<d_getprpwnam>,
-C<d_getpwent>, C<d_getsbyname>, C<d_getsbyport>, C<d_getsent>,
-C<d_getservprotos>, C<d_getspnam>, C<d_gettimeod>, C<d_gnulibc>,
-C<d_grpasswd>, C<d_hasmntopt>, C<d_htonl>, C<d_iconv>, C<d_index>,
-C<d_inetaton>, C<d_int64_t>, C<d_isascii>, C<d_isnan>, C<d_isnanl>,
-C<d_killpg>, C<d_lchown>, C<d_ldbl_dig>, C<d_link>, C<d_locconv>,
-C<d_lockf>, C<d_longdbl>, C<d_longlong>, C<d_lseekproto>, C<d_lstat>,
-C<d_madvise>, C<d_mblen>, C<d_mbstowcs>, C<d_mbtowc>, C<d_memchr>,
-C<d_memcmp>, C<d_memcpy>, C<d_memmove>, C<d_memset>, C<d_mkdir>,
-C<d_mkdtemp>, C<d_mkfifo>, C<d_mkstemp>, C<d_mkstemps>, C<d_mktime>,
-C<d_mmap>, C<d_modfl>, C<d_mprotect>, C<d_msg>, C<d_msg_ctrunc>,
-C<d_msg_dontroute>, C<d_msg_oob>, C<d_msg_peek>, C<d_msg_proxy>,
-C<d_msgctl>, C<d_msgget>, C<d_msgrcv>, C<d_msgsnd>, C<d_msync>,
-C<d_munmap>, C<d_mymalloc>, C<d_nice>, C<d_nv_preserves_uv>,
-C<d_nv_preserves_uv_bits>, C<d_off64_t>, C<d_old_pthread_create_joinable>,
-C<d_oldpthreads>, C<d_oldsock>, C<d_open3>, C<d_pathconf>, C<d_pause>,
-C<d_perl_otherlibdirs>, C<d_phostname>, C<d_pipe>, C<d_poll>,
-C<d_portable>, C<d_PRId64>, C<d_PRIeldbl>, C<d_PRIEUldbl>, C<d_PRIfldbl>,
-C<d_PRIFUldbl>, C<d_PRIgldbl>, C<d_PRIGUldbl>, C<d_PRIi64>, C<d_PRIo64>,
-C<d_PRIu64>, C<d_PRIx64>, C<d_PRIXU64>, C<d_pthread_yield>, C<d_pwage>,
-C<d_pwchange>, C<d_pwclass>, C<d_pwcomment>, C<d_pwexpire>, C<d_pwgecos>,
-C<d_pwpasswd>, C<d_pwquota>, C<d_qgcvt>, C<d_quad>, C<d_readdir>,
-C<d_readlink>, C<d_rename>, C<d_rewinddir>, C<d_rmdir>, C<d_safebcpy>,
-C<d_safemcpy>, C<d_sanemcmp>, C<d_sbrkproto>, C<d_sched_yield>,
-C<d_scm_rights>, C<d_SCNfldbl>, C<d_seekdir>, C<d_select>, C<d_sem>,
-C<d_semctl>, C<d_semctl_semid_ds>, C<d_semctl_semun>, C<d_semget>,
-C<d_semop>, C<d_setegid>, C<d_seteuid>, C<d_setgrent>, C<d_setgrps>,
-C<d_sethent>, C<d_setlinebuf>, C<d_setlocale>, C<d_setnent>, C<d_setpent>,
-C<d_setpgid>, C<d_setpgrp2>, C<d_setpgrp>, C<d_setprior>,
-C<d_setproctitle>, C<d_setpwent>, C<d_setregid>, C<d_setresgid>,
-C<d_setresuid>, C<d_setreuid>, C<d_setrgid>, C<d_setruid>, C<d_setsent>,
-C<d_setsid>, C<d_setvbuf>, C<d_sfio>, C<d_shm>, C<d_shmat>,
-C<d_shmatprototype>, C<d_shmctl>, C<d_shmdt>, C<d_shmget>, C<d_sigaction>,
-C<d_sigprocmask>, C<d_sigsetjmp>, C<d_sockatmark>, C<d_socket>,
-C<d_socklen_t>, C<d_sockpair>, C<d_socks5_init>, C<d_sqrtl>, C<d_statblks>,
+C<d_chsize>, C<d_closedir>, C<d_cmsghdr_s>, C<d_const>, C<d_crypt>,
+C<d_csh>, C<d_cuserid>, C<d_dbl_dig>, C<d_difftime>, C<d_dirnamlen>,
+C<d_dlerror>, C<d_dlopen>, C<d_dlsymun>, C<d_dosuid>, C<d_drand48proto>,
+C<d_dup2>, C<d_eaccess>, C<d_endgrent>, C<d_endhent>, C<d_endnent>,
+C<d_endpent>, C<d_endpwent>, C<d_endsent>, C<d_eofnblk>, C<d_eunice>,
+C<d_fchmod>, C<d_fchown>, C<d_fcntl>, C<d_fcntl_can_lock>, C<d_fd_macros>,
+C<d_fd_set>, C<d_fds_bits>, C<d_fgetpos>, C<d_flexfnam>, C<d_flock>,
+C<d_fork>, C<d_fpathconf>, C<d_fpos64_t>, C<d_frexpl>, C<d_fs_data_s>,
+C<d_fseeko>, C<d_fsetpos>, C<d_fstatfs>, C<d_fstatvfs>, C<d_fsync>,
+C<d_ftello>, C<d_ftime>, C<d_Gconvert>, C<d_getcwd>, C<d_getespwnam>,
+C<d_getfsstat>, C<d_getgrent>, C<d_getgrps>, C<d_gethbyaddr>,
+C<d_gethbyname>, C<d_gethent>, C<d_gethname>, C<d_gethostprotos>,
+C<d_getitimer>, C<d_getlogin>, C<d_getmnt>, C<d_getmntent>,
+C<d_getnbyaddr>, C<d_getnbyname>, C<d_getnent>, C<d_getnetprotos>,
+C<d_getpagsz>, C<d_getpbyname>, C<d_getpbynumber>, C<d_getpent>,
+C<d_getpgid>, C<d_getpgrp2>, C<d_getpgrp>, C<d_getppid>, C<d_getprior>,
+C<d_getprotoprotos>, C<d_getprpwnam>, C<d_getpwent>, C<d_getsbyname>,
+C<d_getsbyport>, C<d_getsent>, C<d_getservprotos>, C<d_getspnam>,
+C<d_gettimeod>, C<d_gnulibc>, C<d_grpasswd>, C<d_hasmntopt>, C<d_htonl>,
+C<d_iconv>, C<d_index>, C<d_inetaton>, C<d_int64_t>, C<d_isascii>,
+C<d_isnan>, C<d_isnanl>, C<d_killpg>, C<d_lchown>, C<d_ldbl_dig>,
+C<d_link>, C<d_locconv>, C<d_lockf>, C<d_longdbl>, C<d_longlong>,
+C<d_lseekproto>, C<d_lstat>, C<d_madvise>, C<d_mblen>, C<d_mbstowcs>,
+C<d_mbtowc>, C<d_memchr>, C<d_memcmp>, C<d_memcpy>, C<d_memmove>,
+C<d_memset>, C<d_mkdir>, C<d_mkdtemp>, C<d_mkfifo>, C<d_mkstemp>,
+C<d_mkstemps>, C<d_mktime>, C<d_mmap>, C<d_modfl>, C<d_mprotect>, C<d_msg>,
+C<d_msg_ctrunc>, C<d_msg_dontroute>, C<d_msg_oob>, C<d_msg_peek>,
+C<d_msg_proxy>, C<d_msgctl>, C<d_msgget>, C<d_msghdr_s>, C<d_msgrcv>,
+C<d_msgsnd>, C<d_msync>, C<d_munmap>, C<d_mymalloc>, C<d_nice>,
+C<d_nv_preserves_uv>, C<d_nv_preserves_uv_bits>, C<d_off64_t>,
+C<d_old_pthread_create_joinable>, C<d_oldpthreads>, C<d_oldsock>,
+C<d_open3>, C<d_pathconf>, C<d_pause>, C<d_perl_otherlibdirs>,
+C<d_phostname>, C<d_pipe>, C<d_poll>, C<d_portable>, C<d_PRId64>,
+C<d_PRIeldbl>, C<d_PRIEUldbl>, C<d_PRIfldbl>, C<d_PRIFUldbl>,
+C<d_PRIgldbl>, C<d_PRIGUldbl>, C<d_PRIi64>, C<d_PRIo64>, C<d_PRIu64>,
+C<d_PRIx64>, C<d_PRIXU64>, C<d_pthread_yield>, C<d_pwage>, C<d_pwchange>,
+C<d_pwclass>, C<d_pwcomment>, C<d_pwexpire>, C<d_pwgecos>, C<d_pwpasswd>,
+C<d_pwquota>, C<d_qgcvt>, C<d_quad>, C<d_readdir>, C<d_readlink>,
+C<d_readv>, C<d_recvmsg>, C<d_rename>, C<d_rewinddir>, C<d_rmdir>,
+C<d_safebcpy>, C<d_safemcpy>, C<d_sanemcmp>, C<d_sbrkproto>,
+C<d_sched_yield>, C<d_scm_rights>, C<d_SCNfldbl>, C<d_seekdir>,
+C<d_select>, C<d_sem>, C<d_semctl>, C<d_semctl_semid_ds>,
+C<d_semctl_semun>, C<d_semget>, C<d_semop>, C<d_sendmsg>, C<d_setegid>,
+C<d_seteuid>, C<d_setgrent>, C<d_setgrps>, C<d_sethent>, C<d_setitimer>,
+C<d_setlinebuf>, C<d_setlocale>, C<d_setnent>, C<d_setpent>, C<d_setpgid>,
+C<d_setpgrp2>, C<d_setpgrp>, C<d_setprior>, C<d_setproctitle>,
+C<d_setpwent>, C<d_setregid>, C<d_setresgid>, C<d_setresuid>,
+C<d_setreuid>, C<d_setrgid>, C<d_setruid>, C<d_setsent>, C<d_setsid>,
+C<d_setvbuf>, C<d_sfio>, C<d_shm>, C<d_shmat>, C<d_shmatprototype>,
+C<d_shmctl>, C<d_shmdt>, C<d_shmget>, C<d_sigaction>, C<d_sigprocmask>,
+C<d_sigsetjmp>, C<d_sockatmark>, C<d_socket>, C<d_socklen_t>,
+C<d_sockpair>, C<d_socks5_init>, C<d_sqrtl>, C<d_statblks>,
C<d_statfs_f_flags>, C<d_statfs_s>, C<d_statvfs>, C<d_stdio_cnt_lval>,
C<d_stdio_ptr_lval>, C<d_stdio_ptr_lval_nochange_cnt>,
C<d_stdio_ptr_lval_sets_cnt>, C<d_stdio_stream_array>, C<d_stdiobase>,
C<d_suidsafe>, C<d_symlink>, C<d_syscall>, C<d_sysconf>, C<d_sysernlst>,
C<d_syserrlst>, C<d_system>, C<d_tcgetpgrp>, C<d_tcsetpgrp>, C<d_telldir>,
C<d_telldirproto>, C<d_time>, C<d_times>, C<d_truncate>, C<d_tzname>,
-C<d_umask>, C<d_uname>, C<d_union_semun>, C<d_ustat>, C<d_vendorarch>,
-C<d_vendorbin>, C<d_vendorlib>, C<d_vfork>, C<d_void_closedir>,
-C<d_voidsig>, C<d_voidtty>, C<d_volatile>, C<d_vprintf>, C<d_wait4>,
-C<d_waitpid>, C<d_wcstombs>, C<d_wctomb>, C<d_xenix>, C<date>,
-C<db_hashtype>, C<db_prefixtype>, C<defvoidused>, C<direntrytype>,
-C<dlext>, C<dlsrc>, C<doublesize>, C<drand01>, C<dynamic_ext>
+C<d_u32align>, C<d_ualarm>, C<d_umask>, C<d_uname>, C<d_union_semun>,
+C<d_usleep>, C<d_ustat>, C<d_vendorarch>, C<d_vendorbin>, C<d_vendorlib>,
+C<d_vfork>, C<d_void_closedir>, C<d_voidsig>, C<d_voidtty>, C<d_volatile>,
+C<d_vprintf>, C<d_wait4>, C<d_waitpid>, C<d_wcstombs>, C<d_wctomb>,
+C<d_writev>, C<d_xenix>, C<date>, C<db_hashtype>, C<db_prefixtype>,
+C<defvoidused>, C<direntrytype>, C<dlext>, C<dlsrc>, C<doublesize>,
+C<drand01>, C<dynamic_ext>
=item e
=back
-=item GREAT CIRCLE DISTANCES
+=item GREAT CIRCLE DISTANCES AND DIRECTIONS
=item EXAMPLES
+=over 4
+
+=item CAVEAT FOR GREAT CIRCLE FORMULAS
+
+=back
+
=item BUGS
=item AUTHORS
=back
+=head2 PerlIO - On demand loader for PerlIO layers and root of PerlIO::*
+name space
+
+=over 4
+
+=item SYNOPSIS
+
+=item DESCRIPTION
+
+unix, stdio, perlio, crlf, utf8, raw
+
+=over 4
+
+=item Defaults and how to override them
+
+=back
+
+=item AUTHOR
+
+=item SEE ALSO
+
+=back
+
+=head2 PerlIO::Scalar - support module for in-memory IO.
+
+=over 4
+
+=item SYNOPSIS
+
+=item DESCRIPTION
+
+=back
+
+=head2 PerlIO::Via - Helper class for PerlIO layers implemented in perl
+
+=over 4
+
+=item SYNOPSIS
+
+=item DESCRIPTION
+
+$class->PUSHED([$mode][,$fh]), $obj->POPPED([$fh]),
+$class->OPEN($path,$mode[,$fh]), $class->FDOPEN($fd),
+$class->SYSOPEN($path,$imode,$perm,$fh), $obj->FILENO($fh),
+$obj->READ($buffer,$len,$fh), $obj->WRITE($buffer,$fh), $obj->FILL($fh),
+$obj->CLOSE($fh), $obj->SEEK($posn,$whence,$fh), $obj->TELL($fh),
+$obj->UNREAD($buffer,$fh), $obj->FLUSH($fh), $obj->SETLINEBUF($fh),
+$obj->CLEARERR($fh), $obj->ERROR($fh), $obj->EOF($fh)
+
+=back
+
=head2 Pod::Checker, podchecker() - check pod documents for syntax errors
=over 4
=back
+=head2 XS::Typemap - module to test the XS typemaps distributed with perl
+
+=over 4
+
+=item SYNOPSIS
+
+=item DESCRIPTION
+
+=back
+
+=over 4
+
+=item NOTES
+
+=item AUTHOR
+
+=back
+
=head2 XSLoader - Dynamically load C libraries into Perl code
=over 4