The SFL (Standard Function Library) from iMatix is a portable function library for C/C++ programs. The SFL is the result of many years‘ development, and is provided as Open Source software for the benefit of the Internet community.
You may want to go straight to the Table of Contents. Also, this documentation is available as a single compressed zip file or gzipped tar file, suitable for printing.
The SFL is written in ANSI C and has been ported to MS-DOS, Windows, OS/2, Linux and other UNIX systems (IBM AIX, SunOS, HP/UX, Solaris, NetBSD, FreeBSD, SCO OpenServer, Digital UNIX) and Digital OpenVMS. It comes with complete sources and documentation in HTML.
The SFL provides about 450 functions that cover these areas:
- Compression, encryption, and encoding;
- Datatype conversion and formatting;
- Dates, times, and calendars;
- Directory and environment access;
- User and process groups;
- Inverted bitmap indices;
- Symbol tables;
- Error message files;
- Configuration files;
- String manipulation and searching;
- File access;
- Internet socket access;
- Internet programming (MIME, CGI);
- SMTP (e-mail) access;
- Server (batch) programming;
- Program tracing.
The SFL is free software that you may use and distribute for private or commercial purposes according to the SFL License Agreement.
Send comments about the SFL, bug reports, and submissions to sfl@imatix.com.
Table of Contents
Installing The SFL Availability and Distribution Installation for UNIX Systems Installation for Digital VMS Systems Installation for Windows Installation for MS-DOS Using The SFL The Universal Header File - prelude.h The Library Header File - sfl.h System Notes To Do List Contributors and References The SFL License Agreement Universal Header File for C programming Define SFL version Large bitstring manipulation functions bits_init bits_term bits_create bits_destroy bits_set bits_clear bits_test bits_fput bits_fget Compression functions compress_block expand_block compress_rle expand_rle compress_nulls expand_nulls compress_bits expand_bits Console output functions console_send console_enable console_disable console_set_mode console_capture coprintf coputs coputc Conversion functions conv_bool_str conv_date_pict conv_date_str conv_number_str conv_str_bool conv_str_date conv_str_day conv_str_number conv_str_time conv_time_pict conv_time_str Encryption and decryption functions crypt_encode crypt_decode calculate_crc Date and time functions date_now time_now leap_year julian_date day_of_week next_weekday prev_weekday week_of_year year_quarter default_century pack_date pack_time unpack_date unpack_time date_to_days days_to_date date_to_timer timer_to_date timer_to_time timer_to_gmdate timer_to_gmtime time_to_csecs csecs_to_time future_date past_date date_diff valid_date valid_time date_is_future date_is_past timezone_string local_to_gmt gmt_to_local safe_localtime safe_gmtime External data representation functions exdr_write exdr_writed exdr_read Fast string searching functions strfind strfind_r strfind_rb memfind memfind_r memfind_rb txtfind File-access functions file_open file_locate file_close file_read file_readn file_write file_copy file_concat file_rename file_delete file_exists file_where file_where_ext file_cycle file_cycle_needed file_has_changed safe_to_extend default_extension fixed_extension strip_extension add_extension strip_file_path strip_file_name get_new_filename file_is_readable file_is_writeable file_is_executable file_is_program file_is_directory file_is_legal file_exec_name get_file_size get_file_time get_file_lines file_slurp file_slurpl file_set_eoln get_tmp_file_name file_fhredirect file_fhrestore ftmp_open ftmp_close Fortune-cookie functions fortune_build fortune_read Initialisation file access functions ini_find_section ini_scan_section ini_dyn_load ini_dyn_loade ini_dyn_save ini_dyn_changed ini_dyn_refresh ini_dyn_value ini_dyn_values srcdoc W (sflini.c 649): function ini_dyn_default not known Multilanguage support set_userlang set_userlang_str get_userlang get_userlang_str set_accents get_accents get_units_name get_tens_name get_day_name get_day_abbrev get_month_name get_month_abbrev timestamp_string Line buffering functions linebuf_create linebuf_destroy linebuf_reset linebuf_append linebuf_first linebuf_next linebuf_last linebuf_prev Linked-list functions list_unlink list_relink list_add list_remove list_sort SMTP mailer function smtp_send_mail_ex smtp_send_mail Mathematic functions point_in_rect point_in_circle point_in_poly Message-file access functions open_message_file close_message_file print_message message_text Memory allocation functions mem_alloc_ mem_realloc_ mem_strdup_ mem_strfree_ mem_free_ mem_assert_ mem_checkall_ mem_check_ mem_descr_ mem_new_trans_ mem_commit_ mem_rollback_ mem_size_ mem_used mem_allocs mem_frees mem_display mem_scavenger mem_freeall MIME support functions encode_base64 decode_base64 decode_mime_time encode_mime_time Linked-list functions node_create node_destroy node_relink_after node_relink_before node_unlink node_relink Directory access functions open_dir read_dir close_dir format_dir fix_dir free_dir load_dir_list free_dir_list sort_dir_list add_dir_list resolve_path locate_path clean_path get_curdir set_curdir file_matches make_dir remove_dir dir_usage dir_files Process control functions process_create_full process_create process_setinfo process_open_io process_close_io process_status process_kill process_close process_server process_alarm process_esc process_unesc process_priority Time-slot functions year_range_empty year_range_fill year_slot_clear year_slot_set year_slot_filled day_range_empty day_range_fill day_slot_clear day_slot_set day_slot_filled date_to_day time_to_min String-handling functions strdupl strfree strskp strcset strpad strlwc strupc strcrop stropen strclose strunique strmatch strprefixed strprefix strdefix strhash strconvch xstrcat xstrcpy lexcmp lexncmp lexwcmp soundex soundexn strt2descr descr2strt strtfree strcntch strlookup strreformat removechars replacechrswith insertstring insertchar leftfill rightfill trim ltrim searchreplace deletestring getstrfld setstrfld getstrfldlen findstrinfile getequval matchtable stringreplace wordwrapstr stricstr strtempcmp istoken eatstr eatstrpast movestrpast eatchar isoneoftokens TCP/IP, UDP/IP socket functions sock_init sock_term passive_TCP passive_UDP passive_socket create_socket connect_TCP connect_UDP connect_TCP_fast connect_UDP_fast connect_socket connect_to_peer address_end_point build_sockaddr socket_localaddr socket_peeraddr socket_nodelay socket_is_alive socket_error accept_socket connect_error get_sock_addr get_peer_addr read_TCP write_TCP read_UDP write_UDP close_socket sock_select get_hostname get_hostaddr get_hostaddrs sock_ntoa sockmsg winsock_last_error socket_is_permitted get_host_file get_name_server Symbol-table functions sym_create_table_ sym_delete_table sym_empty_table sym_merge_tables sym_lookup_symbol sym_create_symbol_ sym_assume_symbol_ sym_delete_symbol sym_exec_all sym_hash sym_get_name sym_get_value sym_get_number sym_get_boolean sym_set_value sym_sort_table symb2strt_ strt2symb_ symb2descr_ descr2symb_ System-level functions (assertions,...) sys_assert sys_name HTTP and CGI Support functions http_escape http_escape_size http_escape_hex http_unescape http_unescape_hex http_query2strt http_query2symb http_query2descr http_encode_meta encode_meta_char http_decode_meta decode_meta_charn cgi_parse_query_vars cgi_parse_file_vars http_multipart_decode is_full_url build_full_url http_time_str cgi_get_input cgi_fld_by_name cgi_fld_by_index cgi_fld_len_by_index displayform Environment variable functions env_get_string env_get_number env_get_boolean env2descr descr2env env2symb symb2env env_copy String token manipulation functions. tok_split tok_split_rich tok_free tok_push tok_size tok_text_size tok_subst Linked-list functions tree_init tree_insert tree_delete tree_find_eq tree_find_lt tree_find_le tree_find_gt tree_find_ge tree_traverse tree_first tree_last tree_next tree_prev Tracing functions enable_trace disable_trace push_trace pop_trace set_trace_file trace Process user id (uid) and group id (gid) functions get_uid_name get_gid_name set_uid_user set_uid_root set_gid_user set_gid_root set_uid_gid get_login XML (Extensible Markup Language) access functions xml_create xml_new xml_modify_value xml_rename xml_item_name xml_item_value xml_free xml_attach_child xml_attach_sibling xml_detach xml_first_child xml_last_child xml_next_sibling xml_prev_sibling xml_parent xml_put_attr_ic xml_attr_ic xml_attr_name xml_attr_value xml_get_attr_ic xml_free_attr xml_first_attr xml_last_attr xml_next_attr xml_prev_attr xml_changed xml_refresh XML serialisation functions xml_save_file xml_save_string xml_error xml_seems_to_be xml_load_file xml_load_string
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