If not building threaded, never mind the threaded prototypes.
[p5sagit/p5-mst-13.2.git] / global.sym
CommitLineData
cea2e8a9 1#
eb1102fc 2# global.sym
3#
4# Copyright (c) 1997-2002, Larry Wall
5#
6# You may distribute under the terms of either the GNU General Public
7# License or the Artistic License, as specified in the README file.
8#
864dbfa3 9# !!!!!!! DO NOT EDIT THIS FILE !!!!!!!
cea2e8a9 10# This file is autogenerated from data in embed.pl. Edit that file
864dbfa3 11# and run 'make regen_headers' to effect changes.
12#
cea2e8a9 13
7766f137 14perl_alloc_using
15perl_alloc
16perl_construct
17perl_destruct
18perl_free
19perl_run
20perl_parse
21perl_clone
22perl_clone_using
23Perl_malloc
24Perl_calloc
25Perl_realloc
26Perl_mfree
ba869deb 27Perl_get_context
28Perl_set_context
864dbfa3 29Perl_amagic_call
cea2e8a9 30Perl_Gv_AMupdate
7ea3cd40 31Perl_gv_handler
78ae23f5 32Perl_apply_attrs_string
01020589 33Perl_avhv_delete_ent
cea2e8a9 34Perl_avhv_exists_ent
35Perl_avhv_fetch_ent
10c8fecd 36Perl_avhv_store_ent
cea2e8a9 37Perl_avhv_iternext
38Perl_avhv_iterval
39Perl_avhv_keys
864dbfa3 40Perl_av_clear
01020589 41Perl_av_delete
42Perl_av_exists
864dbfa3 43Perl_av_extend
864dbfa3 44Perl_av_fetch
45Perl_av_fill
46Perl_av_len
47Perl_av_make
48Perl_av_pop
49Perl_av_push
864dbfa3 50Perl_av_shift
51Perl_av_store
52Perl_av_undef
53Perl_av_unshift
864dbfa3 54Perl_block_gimme
1be9d9c6 55Perl_call_list
cea2e8a9 56Perl_cast_ulong
864dbfa3 57Perl_cast_i32
58Perl_cast_iv
864dbfa3 59Perl_cast_uv
cea2e8a9 60Perl_my_chsize
1be9d9c6 61Perl_condpair_magic
864dbfa3 62Perl_croak
c5be433b 63Perl_vcroak
cea2e8a9 64Perl_croak_nocontext
65Perl_die_nocontext
c5be433b 66Perl_deb_nocontext
cea2e8a9 67Perl_form_nocontext
e4783991 68Perl_load_module_nocontext
5a844595 69Perl_mess_nocontext
cea2e8a9 70Perl_warn_nocontext
c5be433b 71Perl_warner_nocontext
cea2e8a9 72Perl_newSVpvf_nocontext
73Perl_sv_catpvf_nocontext
74Perl_sv_setpvf_nocontext
75Perl_sv_catpvf_mg_nocontext
76Perl_sv_setpvf_mg_nocontext
c5be433b 77Perl_fprintf_nocontext
b0316773 78Perl_printf_nocontext
d0674b55 79Perl_cv_const_sv
80Perl_cv_undef
864dbfa3 81Perl_cx_dump
cea2e8a9 82Perl_filter_add
83Perl_filter_del
84Perl_filter_read
85Perl_get_op_descs
86Perl_get_op_names
0cb96387 87Perl_get_ppaddr
864dbfa3 88Perl_deb
c5be433b 89Perl_vdeb
864dbfa3 90Perl_debprofdump
cea2e8a9 91Perl_debop
864dbfa3 92Perl_debstack
93Perl_debstackptrs
864dbfa3 94Perl_delimcpy
1be9d9c6 95Perl_die
96Perl_dounwind
864dbfa3 97Perl_do_binmode
1c0ca838 98Perl_do_close
412d7f2a 99Perl_do_join
864dbfa3 100Perl_do_open
6170680b 101Perl_do_open9
9dd79c3f 102Perl_do_openn
c58c997b 103Perl_do_sprintf
864dbfa3 104Perl_dowantarray
105Perl_dump_all
106Perl_dump_eval
107Perl_dump_fds
108Perl_dump_form
cea2e8a9 109Perl_gv_dump
110Perl_op_dump
111Perl_pmop_dump
864dbfa3 112Perl_dump_packsubs
113Perl_dump_sub
864dbfa3 114Perl_fbm_compile
115Perl_fbm_instr
864dbfa3 116Perl_form
c5be433b 117Perl_vform
864dbfa3 118Perl_free_tmps
864dbfa3 119Perl_gp_free
120Perl_gp_ref
121Perl_gv_AVadd
122Perl_gv_HVadd
123Perl_gv_IOadd
124Perl_gv_autoload4
125Perl_gv_check
864dbfa3 126Perl_gv_efullname
127Perl_gv_efullname3
29c86309 128Perl_gv_efullname4
864dbfa3 129Perl_gv_fetchfile
130Perl_gv_fetchmeth
2d8263b8 131Perl_gv_fetchmeth_autoload
864dbfa3 132Perl_gv_fetchmethod
133Perl_gv_fetchmethod_autoload
134Perl_gv_fetchpv
135Perl_gv_fullname
136Perl_gv_fullname3
29c86309 137Perl_gv_fullname4
864dbfa3 138Perl_gv_init
139Perl_gv_stashpv
140Perl_gv_stashpvn
141Perl_gv_stashsv
142Perl_hv_clear
143Perl_hv_delayfree_ent
144Perl_hv_delete
145Perl_hv_delete_ent
146Perl_hv_exists
147Perl_hv_exists_ent
148Perl_hv_fetch
149Perl_hv_fetch_ent
150Perl_hv_free_ent
151Perl_hv_iterinit
152Perl_hv_iterkey
153Perl_hv_iterkeysv
154Perl_hv_iternext
155Perl_hv_iternextsv
156Perl_hv_iterval
157Perl_hv_ksplit
158Perl_hv_magic
159Perl_hv_store
160Perl_hv_store_ent
161Perl_hv_undef
162Perl_ibcmp
163Perl_ibcmp_locale
701a277b 164Perl_ibcmp_utf8
1be9d9c6 165Perl_init_stacks
a453c169 166Perl_init_tm
cea2e8a9 167Perl_instr
b851fbc1 168Perl_is_lvalue_sub
169Perl_to_uni_upper_lc
170Perl_to_uni_title_lc
171Perl_to_uni_lower_lc
864dbfa3 172Perl_is_uni_alnum
b8c5462f 173Perl_is_uni_alnumc
cea2e8a9 174Perl_is_uni_idfirst
864dbfa3 175Perl_is_uni_alpha
b8c5462f 176Perl_is_uni_ascii
cea2e8a9 177Perl_is_uni_space
b8c5462f 178Perl_is_uni_cntrl
179Perl_is_uni_graph
864dbfa3 180Perl_is_uni_digit
cea2e8a9 181Perl_is_uni_upper
864dbfa3 182Perl_is_uni_lower
864dbfa3 183Perl_is_uni_print
b8c5462f 184Perl_is_uni_punct
185Perl_is_uni_xdigit
cea2e8a9 186Perl_to_uni_upper
187Perl_to_uni_title
188Perl_to_uni_lower
37d85e3a 189Perl_to_uni_fold
cea2e8a9 190Perl_is_uni_alnum_lc
b8c5462f 191Perl_is_uni_alnumc_lc
cea2e8a9 192Perl_is_uni_idfirst_lc
193Perl_is_uni_alpha_lc
b8c5462f 194Perl_is_uni_ascii_lc
864dbfa3 195Perl_is_uni_space_lc
b8c5462f 196Perl_is_uni_cntrl_lc
197Perl_is_uni_graph_lc
cea2e8a9 198Perl_is_uni_digit_lc
864dbfa3 199Perl_is_uni_upper_lc
cea2e8a9 200Perl_is_uni_lower_lc
201Perl_is_uni_print_lc
b8c5462f 202Perl_is_uni_punct_lc
203Perl_is_uni_xdigit_lc
386d01d6 204Perl_is_utf8_char
78ae23f5 205Perl_is_utf8_string
864dbfa3 206Perl_is_utf8_alnum
b8c5462f 207Perl_is_utf8_alnumc
cea2e8a9 208Perl_is_utf8_idfirst
864dbfa3 209Perl_is_utf8_alpha
b8c5462f 210Perl_is_utf8_ascii
cea2e8a9 211Perl_is_utf8_space
b8c5462f 212Perl_is_utf8_cntrl
864dbfa3 213Perl_is_utf8_digit
b8c5462f 214Perl_is_utf8_graph
cea2e8a9 215Perl_is_utf8_upper
864dbfa3 216Perl_is_utf8_lower
864dbfa3 217Perl_is_utf8_print
b8c5462f 218Perl_is_utf8_punct
219Perl_is_utf8_xdigit
cea2e8a9 220Perl_is_utf8_mark
1be9d9c6 221Perl_leave_scope
1cadc447 222Perl_op_null
e4783991 223Perl_load_module
224Perl_vload_module
864dbfa3 225Perl_looks_like_number
6e9d1081 226Perl_grok_bin
227Perl_grok_hex
dd5dc04f 228Perl_grok_number
229Perl_grok_numeric_radix
6e9d1081 230Perl_grok_oct
864dbfa3 231Perl_markstack_grow
864dbfa3 232Perl_mess
5a844595 233Perl_vmess
2a5a0c38 234Perl_sortsv
864dbfa3 235Perl_mg_clear
236Perl_mg_copy
237Perl_mg_find
238Perl_mg_free
239Perl_mg_get
240Perl_mg_length
241Perl_mg_magical
242Perl_mg_set
243Perl_mg_size
a453c169 244Perl_mini_mktime
1be9d9c6 245Perl_moreswitches
097ee67d 246Perl_my_atof
864dbfa3 247Perl_my_bcopy
248Perl_my_bzero
864dbfa3 249Perl_my_exit
250Perl_my_failure_exit
251Perl_my_fflush_all
52e18b1f 252Perl_my_fork
253Perl_atfork_lock
254Perl_atfork_unlock
864dbfa3 255Perl_my_lstat
256Perl_my_memcmp
257Perl_my_memset
864dbfa3 258Perl_my_pclose
259Perl_my_popen
c60e0e09 260Perl_my_popen_list
864dbfa3 261Perl_my_setenv
262Perl_my_stat
a453c169 263Perl_my_strftime
864dbfa3 264Perl_my_swap
cea2e8a9 265Perl_my_htonl
266Perl_my_ntohl
864dbfa3 267Perl_newANONLIST
cea2e8a9 268Perl_newANONHASH
864dbfa3 269Perl_newANONSUB
270Perl_newASSIGNOP
864dbfa3 271Perl_newCONDOP
272Perl_newCONSTSUB
864dbfa3 273Perl_newFORM
274Perl_newFOROP
864dbfa3 275Perl_newLOGOP
276Perl_newLOOPEX
277Perl_newLOOPOP
278Perl_newNULLLIST
279Perl_newOP
864dbfa3 280Perl_newPROG
864dbfa3 281Perl_newRANGE
864dbfa3 282Perl_newSLICEOP
283Perl_newSTATEOP
284Perl_newSUB
cea2e8a9 285Perl_newXS
286Perl_newAV
287Perl_newAVREF
288Perl_newBINOP
289Perl_newCVREF
290Perl_newGVOP
291Perl_newGVgen
292Perl_newGVREF
293Perl_newHVREF
294Perl_newHV
295Perl_newHVhv
296Perl_newIO
297Perl_newLISTOP
350de78d 298Perl_newPADOP
cea2e8a9 299Perl_newPMOP
300Perl_newPVOP
301Perl_newRV
302Perl_newRV_noinc
864dbfa3 303Perl_newSV
864dbfa3 304Perl_newSVREF
cea2e8a9 305Perl_newSVOP
864dbfa3 306Perl_newSViv
1a3327fb 307Perl_newSVuv
864dbfa3 308Perl_newSVnv
309Perl_newSVpv
864dbfa3 310Perl_newSVpvn
1c846c1f 311Perl_newSVpvn_share
cea2e8a9 312Perl_newSVpvf
c5be433b 313Perl_vnewSVpvf
864dbfa3 314Perl_newSVrv
315Perl_newSVsv
316Perl_newUNOP
317Perl_newWHILEOP
1be9d9c6 318Perl_new_stackinfo
f4758303 319Perl_new_vstring
864dbfa3 320Perl_ninstr
1be9d9c6 321Perl_op_free
322Perl_pad_sv
c5be433b 323Perl_new_struct_thread
10bc17b6 324Perl_reentrant_size
59bd0823 325Perl_reentrant_init
10bc17b6 326Perl_reentrant_free
cea2e8a9 327Perl_call_atexit
328Perl_call_argv
329Perl_call_method
330Perl_call_pv
331Perl_call_sv
5290524f 332Perl_despatch_signals
cea2e8a9 333Perl_eval_pv
334Perl_eval_sv
cea2e8a9 335Perl_get_sv
336Perl_get_av
337Perl_get_hv
338Perl_get_cv
1be9d9c6 339Perl_init_i18nl10n
340Perl_init_i18nl14n
cea2e8a9 341Perl_new_collate
342Perl_new_ctype
343Perl_new_numeric
344Perl_set_numeric_local
097ee67d 345Perl_set_numeric_radix
cea2e8a9 346Perl_set_numeric_standard
cea2e8a9 347Perl_require_pv
18529408 348Perl_pack_cat
1be9d9c6 349Perl_pmflag
864dbfa3 350Perl_pop_scope
864dbfa3 351Perl_push_scope
864dbfa3 352Perl_regdump
7ea3cd40 353Perl_regclass_swash
a86f0dc9 354Perl_pregexec
1be9d9c6 355Perl_pregfree
356Perl_pregcomp
357Perl_re_intuit_start
358Perl_re_intuit_string
359Perl_regexec_flags
360Perl_regnext
361Perl_repeatcpy
864dbfa3 362Perl_rninstr
412d7f2a 363Perl_rsignal
c9242e48 364Perl_rsignal_state
cea2e8a9 365Perl_savepv
05ec9bb3 366Perl_savesharedpv
cea2e8a9 367Perl_savepvn
368Perl_savestack_grow
864dbfa3 369Perl_save_aelem
370Perl_save_alloc
371Perl_save_aptr
372Perl_save_ary
373Perl_save_clearsv
374Perl_save_delete
375Perl_save_destructor
c76ac1ee 376Perl_save_destructor_x
cea2e8a9 377Perl_save_freesv
864dbfa3 378Perl_save_freepv
864dbfa3 379Perl_save_generic_svref
612f20c3 380Perl_save_generic_pvref
05ec9bb3 381Perl_save_shared_pvref
864dbfa3 382Perl_save_gp
383Perl_save_hash
384Perl_save_helem
385Perl_save_hints
386Perl_save_hptr
cea2e8a9 387Perl_save_I16
388Perl_save_I32
e8347627 389Perl_save_I8
864dbfa3 390Perl_save_int
391Perl_save_item
392Perl_save_iv
393Perl_save_list
394Perl_save_long
26d9b02f 395Perl_save_mortalizesv
864dbfa3 396Perl_save_nogv
cea2e8a9 397Perl_save_scalar
864dbfa3 398Perl_save_pptr
7766f137 399Perl_save_vptr
864dbfa3 400Perl_save_re_context
c3564e5c 401Perl_save_padsv
864dbfa3 402Perl_save_sptr
403Perl_save_svref
404Perl_save_threadsv
1be9d9c6 405Perl_scan_bin
406Perl_scan_hex
407Perl_scan_num
408Perl_scan_oct
409Perl_screaminstr
864dbfa3 410Perl_stack_grow
411Perl_start_subparse
864dbfa3 412Perl_sv_2bool
413Perl_sv_2cv
414Perl_sv_2io
415Perl_sv_2iv
416Perl_sv_2mortal
417Perl_sv_2nv
dc26be07 418Perl_sv_2pvutf8
419Perl_sv_2pvbyte
6e9d1081 420Perl_sv_pvn_nomg
864dbfa3 421Perl_sv_2uv
cea2e8a9 422Perl_sv_iv
423Perl_sv_uv
424Perl_sv_nv
425Perl_sv_pvn
dc26be07 426Perl_sv_pvutf8n
427Perl_sv_pvbyten
cea2e8a9 428Perl_sv_true
864dbfa3 429Perl_sv_backoff
430Perl_sv_bless
864dbfa3 431Perl_sv_catpvf
c5be433b 432Perl_sv_vcatpvf
cea2e8a9 433Perl_sv_catpv
864dbfa3 434Perl_sv_chop
864dbfa3 435Perl_sv_clear
436Perl_sv_cmp
437Perl_sv_cmp_locale
438Perl_sv_collxfrm
1be9d9c6 439Perl_sv_compile_2op
89423764 440Perl_getcwd_sv
864dbfa3 441Perl_sv_dec
864dbfa3 442Perl_sv_dump
cea2e8a9 443Perl_sv_derived_from
864dbfa3 444Perl_sv_eq
864dbfa3 445Perl_sv_free
1be9d9c6 446Perl_sv_gets
864dbfa3 447Perl_sv_grow
448Perl_sv_inc
449Perl_sv_insert
450Perl_sv_isa
451Perl_sv_isobject
864dbfa3 452Perl_sv_len
453Perl_sv_len_utf8
454Perl_sv_magic
92110913 455Perl_sv_magicext
864dbfa3 456Perl_sv_mortalcopy
457Perl_sv_newmortal
458Perl_sv_newref
864dbfa3 459Perl_sv_peek
864dbfa3 460Perl_sv_pos_u2b
cea2e8a9 461Perl_sv_pos_b2u
dc26be07 462Perl_sv_pvutf8n_force
463Perl_sv_pvbyten_force
9f4817db 464Perl_sv_recode_to_utf8
864dbfa3 465Perl_sv_reftype
466Perl_sv_replace
467Perl_sv_report_used
468Perl_sv_reset
864dbfa3 469Perl_sv_setpvf
c5be433b 470Perl_sv_vsetpvf
cea2e8a9 471Perl_sv_setiv
864dbfa3 472Perl_sv_setpviv
cea2e8a9 473Perl_sv_setuv
474Perl_sv_setnv
864dbfa3 475Perl_sv_setref_iv
e1c57cef 476Perl_sv_setref_uv
864dbfa3 477Perl_sv_setref_nv
478Perl_sv_setref_pv
479Perl_sv_setref_pvn
cea2e8a9 480Perl_sv_setpv
481Perl_sv_setpvn
864dbfa3 482Perl_sv_taint
483Perl_sv_tainted
864dbfa3 484Perl_sv_unmagic
485Perl_sv_unref
0ca4541c 486Perl_sv_unref_flags
864dbfa3 487Perl_sv_untaint
488Perl_sv_upgrade
489Perl_sv_usepvn
864dbfa3 490Perl_sv_vcatpvfn
491Perl_sv_vsetpvfn
1571675a 492Perl_str_to_version
1be9d9c6 493Perl_swash_init
494Perl_swash_fetch
864dbfa3 495Perl_taint_env
496Perl_taint_proper
983ffd37 497Perl_to_utf8_case
864dbfa3 498Perl_to_utf8_lower
864dbfa3 499Perl_to_utf8_upper
cea2e8a9 500Perl_to_utf8_title
406c9029 501Perl_to_utf8_fold
864dbfa3 502Perl_unlnk
1be9d9c6 503Perl_unlock_condpair
18529408 504Perl_unpack_str
1be9d9c6 505Perl_unsharepvn
864dbfa3 506Perl_utf16_to_utf8
507Perl_utf16_to_utf8_reversed
39fb0ac8 508Perl_utf8_length
864dbfa3 509Perl_utf8_distance
510Perl_utf8_hop
78ae23f5 511Perl_utf8_to_bytes
f9a63242 512Perl_bytes_from_utf8
78ae23f5 513Perl_bytes_to_utf8
9041c2e3 514Perl_utf8_to_uvchr
515Perl_utf8_to_uvuni
516Perl_utf8n_to_uvchr
517Perl_utf8n_to_uvuni
518Perl_uvchr_to_utf8
519Perl_uvuni_to_utf8
b851fbc1 520Perl_uvchr_to_utf8_flags
521Perl_uvuni_to_utf8_flags
e6b2e755 522Perl_pv_uni_display
523Perl_sv_uni_display
864dbfa3 524Perl_warn
c5be433b 525Perl_vwarn
864dbfa3 526Perl_warner
c5be433b 527Perl_vwarner
412d7f2a 528Perl_whichsig
cea2e8a9 529Perl_dump_mstats
827e134a 530Perl_get_mstats
cea2e8a9 531Perl_safesysmalloc
532Perl_safesyscalloc
533Perl_safesysrealloc
534Perl_safesysfree
535Perl_safexmalloc
536Perl_safexcalloc
537Perl_safexrealloc
538Perl_safexfree
539Perl_GetVars
cea2e8a9 540Perl_runops_standard
541Perl_runops_debug
ce58e4c2 542Perl_sv_lock
cea2e8a9 543Perl_sv_catpvf_mg
c5be433b 544Perl_sv_vcatpvf_mg
cea2e8a9 545Perl_sv_catpv_mg
546Perl_sv_catpvn_mg
547Perl_sv_catsv_mg
548Perl_sv_setpvf_mg
c5be433b 549Perl_sv_vsetpvf_mg
cea2e8a9 550Perl_sv_setiv_mg
551Perl_sv_setpviv_mg
552Perl_sv_setuv_mg
553Perl_sv_setnv_mg
554Perl_sv_setpv_mg
555Perl_sv_setpvn_mg
556Perl_sv_setsv_mg
557Perl_sv_usepvn_mg
558Perl_get_vtbl
cea2e8a9 559Perl_dump_indent
c5be433b 560Perl_dump_vindent
cea2e8a9 561Perl_do_gv_dump
562Perl_do_gvgv_dump
563Perl_do_hv_dump
564Perl_do_magic_dump
565Perl_do_op_dump
566Perl_do_pmop_dump
567Perl_do_sv_dump
568Perl_magic_dump
569Perl_default_protect
c5be433b 570Perl_vdefault_protect
cea2e8a9 571Perl_reginitcolors
572Perl_sv_2pv_nolen
dc26be07 573Perl_sv_2pvutf8_nolen
574Perl_sv_2pvbyte_nolen
cea2e8a9 575Perl_sv_pv
dc26be07 576Perl_sv_pvutf8
577Perl_sv_pvbyte
560a288e 578Perl_sv_utf8_downgrade
579Perl_sv_utf8_encode
580Perl_sv_utf8_decode
cea2e8a9 581Perl_sv_force_normal
0ca4541c 582Perl_sv_force_normal_flags
cea2e8a9 583Perl_tmps_grow
584Perl_sv_rvweaken
09bef843 585Perl_newANONATTRSUB
586Perl_newATTRSUB
587Perl_newMYSUB
8d563012 588Perl_cx_dup
589Perl_si_dup
590Perl_ss_dup
7766f137 591Perl_any_dup
d18c6117 592Perl_he_dup
593Perl_re_dup
594Perl_fp_dup
595Perl_dirp_dup
596Perl_gp_dup
597Perl_mg_dup
598Perl_sv_dup
599Perl_sys_intern_dup
5f7fde29 600Perl_ptr_table_new
601Perl_ptr_table_fetch
602Perl_ptr_table_store
603Perl_ptr_table_split
690cf326 604Perl_ptr_table_clear
605Perl_ptr_table_free
3dbbd0f5 606Perl_sys_intern_clear
78ae23f5 607Perl_sys_intern_init
42d86a35 608Perl_custom_op_name
609Perl_custom_op_desc
68795e93 610Perl_sv_nosharing
611Perl_sv_nolocking
612Perl_sv_nounlocking
8d6d96c1 613Perl_sv_setsv_flags
614Perl_sv_catpvn_flags
615Perl_sv_catsv_flags
616Perl_sv_utf8_upgrade_flags
617Perl_sv_pvn_force_flags
618Perl_sv_2pv_flags
6050d10e 619Perl_sv_copypv
1f727ac0 620Perl_my_atof2
7c9e965c 621Perl_my_socketpair
e87a358a 622Perl_PerlIO_close
623Perl_PerlIO_fill
624Perl_PerlIO_fileno
625Perl_PerlIO_eof
626Perl_PerlIO_error
627Perl_PerlIO_flush
628Perl_PerlIO_clearerr
629Perl_PerlIO_set_cnt
630Perl_PerlIO_set_ptrcnt
631Perl_PerlIO_setlinebuf
632Perl_PerlIO_read
633Perl_PerlIO_write
634Perl_PerlIO_unread
635Perl_PerlIO_tell
636Perl_PerlIO_seek
637Perl_PerlIO_get_base
638Perl_PerlIO_get_ptr
639Perl_PerlIO_get_bufsiz
640Perl_PerlIO_get_cnt
641Perl_PerlIO_stdin
642Perl_PerlIO_stdout
643Perl_PerlIO_stderr