The the ArcSDE C interface contains h files, dll files, lib files, etc.

C API\bin\edgemt.dll
.....\...\gsrvrdb290.dll
.....\...\gsrvrinf90.dll
.....\...\gsrvrora8i90.dll
.....\...\gsrvrora9i90.dll
.....\...\gsrvrsql90.dll
.....\...\icudt22l.dll
.....\...\icuuc22.dll
.....\...\libtiff.dll
.....\...\loceng.dll
.....\...\locssa.dll
.....\...\mtchloc.dll
.....\...\mtchmt.dll
.....\...\pe90.dll
.....\...\sde90.dll
.....\...\sdedb2srvr90.dll
.....\...\sdedbtune.exe
.....\...\sdeinfsrvr90.dll
.....\...\sdelayer.exe
.....\...\sdeora8isrvr90.dll
.....\...\sdeora9isrvr90.dll
.....\...\sdesqlsrvr90.dll
.....\...\sg90.dll
.....\...\xerces-c_2_1_0.dll
.....\Documentation\Dev_Help\SDEHelp.chm
.....\.............\........\sdehelp.htm
.....\.............\........\Support_files\admin_cmd_refs\admincmdref.htm
.....\.............\........\.............\..............\alpha_list_cmds.htm
.....\.............\........\.............\..............\commandsyntax.htm
.....\.............\........\.............\..............\cov2sde.htm
.....\.............\........\.............\..............\env_variables.htm
.....\.............\........\.............\..............\funct_cmd_list.htm
.....\.............\........\.............\..............\gettinghelp.htm
.....\.............\........\.............\..............\sde2cov.htm
.....\.............\........\.............\..............\sde2shp.htm
.....\.............\........\.............\..............\sde2tbl.htm
.....\.............\........\.............\..............\sdeconfig.htm
.....\.............\........\.............\..............\sdedbtune.htm
.....\.............\........\.............\..............\sdeexport.htm
.....\.............\........\.............\..............\sdegcdrules.htm
.....\.............\........\.............\..............\sdegroup.htm
.....\.............\........\.............\..............\sdeimport.htm
.....\.............\........\.............\..............\sdelayer.htm
.....\.............\........\.............\..............\sdelocator.htm
.....\.............\........\.............\..............\sdelog.htm
.....\.............\........\.............\..............\sdemon.htm
.....\.............\........\.............\..............\sderaster.htm
.....\.............\........\.............\..............\sdeservice.htm
.....\.............\........\.............\..............\sdesetup.htm
.....\.............\........\.............\..............\sdetable.htm
.....\.............\........\.............\..............\sdeversion.htm
.....\.............\........\.............\..............\sdexinfo.htm
.....\.............\........\.............\..............\sdexml.htm
.....\.............\........\.............\..............\services.htm
.....\.............\........\.............\..............\shp2sde.htm
.....\.............\........\.............\..............\shpinfo.htm
.....\.............\........\.............\..............\tbl2sde.htm
.....\.............\........\.............\aodev.css
.....\.............\........\.............\aodev_ns.css
.....\.............\........\.............\arcobjectsdeveloperhelp.css
.....\.............\........\.............\arcsde_gdb_tables.pdf
.....\.............\........\.............\bsscdhtm.js
.....\.............\........\.............\capi_concepts\add_raster_column.htm
.....\.............\........\.............\.............\apivrsnstatemanagement.htm
.....\.............\........\.............\.............\application_support.htm
.....\.............\........\.............\.............\architecture.htm
.....\.............\........\.............\.............\arcsde_compressed_binary.htm
.....\.............\........\.............\.............\arcsde_xml_columns.htm
.....\.............\........\.............\.............\bitmask_copy.htm
.....\.............\........\.............\.............\c01_peconc.htm
.....\.............\........\.............\.............\calculating_geodetic_distances.htm
.....\.............\........\.............\.............\capi_compile.htm
.....\.............\........\.............\.............\changing_coordinate_systems.htm
.....\.............

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