SYBASE link C + + compiler error undefined reference to `__ctype_b ' Cc -o IodDeal -Ddebug -I/plat/include -I/include -I/sybase/OCS-12_5/include -L/plat/lib -L/lib -L/sybase/OC S-12_5/lib ioddeal.o mo_deal.o link_detect.o log.o mt_deal.o xideliver_to_iodmo.o iodtoxisubmit.o Public_tool.o IodRcvDeal.o IodDeliverDeal.o IodLog.o public.o IodShowPDU.o ReadConfIod.o syslog.o tool.o IodSemaOpt.o GetResult.o xltwrtlog.o -lct -lcs -lcomn -lintl -lsybtcl -lnsl -ldl -lpthread -lwbasictool -lVcmpp -lm -lpthread -lnsl /sybase/OCS-12_5/lib/libintl.so : Undefined reference to `__ctype_b ' Collect2 : ld returned 1 exit status Make : *** 1 [IodDeal] Error That for prawn know, please tell younger. Thank you, the first ~~~ I almost mistake and you ah MonView.c:1392 : warning function returns address of local variables : /tmp/ccF2PF7j.o (. Text+0x718) : In function `ExecDatabase ': : Undefined reference to `smc_create_view ' /tmp/ccF2PF7j.o (. Text+0x78a) : In function `ExecDatabase ': : Undefined reference to `smc_refresh ' /tmp/ccF2PF7j.o (. Text+0x808) : In function `ExecDatabase ': : Undefined reference to `smc_get_row_count ' /tmp/ccF2PF7j.o (. Text+0xb71) : In function `ExecDatabase ': : Undefined reference to `smc_get_dataitem_value ' /tmp/ccF2PF7j.o (. Text+0xbc3) : In function `ExecDatabase ': : Undefined reference to `smc_get_dataitem_type ' /tmp/ccF2PF7j.o (. Text+0x203a) : In function `parsexml ': : Undefined reference to `smc_connect ' /tmp/ccF2PF7j.o (. Text+0x23c3) : In function `parsexml ': : Undefined reference to `smc_disconnect ' /opt/sybase-12.5/OCS-12_5/lib/libintl.so : Undefined reference to `__ctype_b ' /opt/sybase-12.5/OCS-12_5/lib/libsybtcl.so : Undefined reference to `dlclose ' /opt/sybase-12.5/OCS-12_5/lib/libsybtcl.so : Undefined reference to `dlopen ' /opt/sybase-12.5/OCS-12_5/lib/libsybtcl.so : Undefined reference to `dlsym ' /opt/sybase-12.5/OCS-12_5/lib/libsybdb.so : Undefined reference to `__ctype_tolower ' Solutions to build linuxpatch.c source document #include "Ctype.h> __const Unsigned short int *__ctype_b; __const __int32_t *__ctype_tolower; __const __int32_t *__ctype_toupper; Void ctSetup () { __ctype_b = * (__ctype_b_loc ()); __ctype_toupper = * (__ctype_toupper_loc ()); __ctype_tolower = * (__ctype_tolower_loc ()); } And. C source code included, and in main () implementation. [ Closed window ]