S-Lang Run-Time Library Reference: Version 2.0.4

John E. Davis, davis@space.mit.edu

1. Data Types

• 1.1 Assoc_Type
• 1.2 List_Type
• 1.3 Struct_Type

2. Array Functions

• 2.1 all
• 2.2 any
• 2.3 array_info
• 2.4 array_map
• 2.5 array_reverse
• 2.6 array_shape
• 2.7 array_sort
• 2.8 array_swap
• 2.9 cumsum
• 2.10 init_char_array
• 2.11 _isnull
• 2.12 length
• 2.13 max
• 2.14 min
• 2.15 _reshape
• 2.16 reshape
• 2.17 sum
• 2.18 transpose
• 2.19 where

3. Associative Array Functions

• 3.1 assoc_delete_key
• 3.2 assoc_get_keys
• 3.3 assoc_get_values
• 3.4 assoc_key_exists

4. Functions that Operate on Strings

• 4.1 create_delimited_string
• 4.2 extract_element
• 4.3 glob_to_regexp
• 4.4 is_list_element
• 4.5 is_substr
• 4.6 make_printable_string
• 4.7 Sprintf
• 4.8 sprintf
• 4.9 sscanf
• 4.10 strbytelen
• 4.11 strbytesub
• 4.12 strcat
• 4.13 strcharlen
• 4.14 strchop
• 4.15 strchopr
• 4.16 strcmp
• 4.17 strcompress
• 4.18 string_match
• 4.19 string_match_nth
• 4.20 strjoin
• 4.21 strlen
• 4.22 strlow
• 4.23 strnbytecmp
• 4.24 strncharcmp
• 4.25 strncmp
• 4.26 strreplace
• 4.27 strsub
• 4.28 strtok
• 4.29 strtrans
• 4.30 strtrim
• 4.31 strtrim_beg
• 4.32 strtrim_end
• 4.33 strup
• 4.34 str_delete_chars
• 4.35 str_quote_string
• 4.36 str_replace
• 4.37 str_uncomment_string
• 4.38 substr
• 4.39 substrbytes

5. Functions that Operate on Binary Strings

• 5.1 array_to_bstring
• 5.2 bstring_to_array
• 5.3 bstrlen
• 5.4 pack
• 5.5 pad_pack_format
• 5.6 sizeof_pack
• 5.7 unpack

6. Functions that Manipulate Structures

• 6.1 __add_binary
• 6.2 __add_string
• 6.3 __add_unary
• 6.4 get_struct_field
• 6.5 get_struct_field_names
• 6.6 is_struct_type
• 6.7 _push_struct_field_values
• 6.8 set_struct_field
• 6.9 set_struct_fields

7. Functions that Create and Manipulate Lists

• 7.1 list_append
• 7.2 list_delete
• 7.3 list_insert
• 7.4 list_new
• 7.5 list_pop
• 7.6 list_reverse

8. Informational Functions

• 8.1 add_doc_file
• 8.2 _apropos
• 8.3 _function_name
• 8.4 __get_defined_symbols
• 8.5 get_doc_files
• 8.6 get_doc_string_from_file
• 8.7 _get_namespaces
• 8.8 is_defined
• 8.9 __is_initialized
• 8.10 _NARGS
• 8.11 set_doc_files
• 8.12 _slang_doc_dir
• 8.13 _slang_version
• 8.14 _slang_version_string

9. Mathematical Functions

• 9.1 abs
• 9.2 acos
• 9.3 acosh
• 9.4 asin
• 9.5 asinh
• 9.6 atan
• 9.7 atan2
• 9.8 atanh
• 9.9 ceil
• 9.10 Conj
• 9.11 cos
• 9.12 cosh
• 9.13 _diff
• 9.14 exp
• 9.15 floor
• 9.16 hypot
• 9.17 Imag
• 9.18 isinf
• 9.19 isnan
• 9.20 log
• 9.21 log10
• 9.22 _max
• 9.23 _min
• 9.24 mul2
• 9.25 polynom
• 9.26 Real
• 9.27 round
• 9.28 set_float_format
• 9.29 sign
• 9.30 sin
• 9.31 sinh
• 9.32 sqr
• 9.33 sqrt
• 9.34 tan
• 9.35 tanh

10. Message and Error Functions

• 10.1 errno
• 10.2 errno_string
• 10.3 error
• 10.4 message
• 10.5 new_exception
• 10.6 usage
• 10.7 verror
• 10.8 vmessage

11. Time and Date Functions

• 11.1 ctime
• 11.2 gmtime
• 11.3 localtime
• 11.4 mktime
• 11.5 _tic
• 11.6 tic
• 11.7 _time
• 11.8 time
• 11.9 times
• 11.10 _toc
• 11.11 toc

12. Data-Type Conversion Functions

• 12.1 atof
• 12.2 atoi
• 12.3 atol
• 12.4 atoll
• 12.5 char
• 12.6 define_case
• 12.7 double
• 12.8 int
• 12.9 integer
• 12.10 isdigit
• 12.11 _slang_guess_type
• 12.12 string
• 12.13 tolower
• 12.14 toupper
• 12.15 typecast
• 12.16 _typeof
• 12.17 typeof

13. Stdio File I/O Functions

• 13.1 clearerr
• 13.2 fclose
• 13.3 fdopen
• 13.4 feof
• 13.5 ferror
• 13.6 fflush
• 13.7 fgets
• 13.8 fgetslines
• 13.9 fopen
• 13.10 fprintf
• 13.11 fputs
• 13.12 fputslines
• 13.13 fread
• 13.14 fread_bytes
• 13.15 fseek
• 13.16 ftell
• 13.17 fwrite
• 13.18 pclose
• 13.19 popen
• 13.20 printf

14. Low-level POSIX I/O functions

• 14.1 close
• 14.2 dup_fd
• 14.3 fileno
• 14.4 isatty
• 14.5 lseek
• 14.6 open
• 14.7 read
• 14.8 write

15. Directory Functions

• 15.1 chdir
• 15.2 chmod
• 15.3 chown
• 15.4 getcwd
• 15.5 listdir
• 15.6 lstat_file
• 15.7 mkdir
• 15.8 readlink
• 15.9 remove
• 15.10 rename
• 15.11 rmdir
• 15.12 stat_file
• 15.13 stat_is
• 15.14 symlink

16. Functions that Parse Filenames

• 16.1 path_basename
• 16.2 path_basename_sans_extname
• 16.3 path_concat
• 16.4 path_dirname
• 16.5 path_extname
• 16.6 path_get_delimiter
• 16.7 path_is_absolute
• 16.8 path_sans_extname

17. System Call Functions

• 17.1 getegid
• 17.2 geteuid
• 17.3 getgid
• 17.4 getpid
• 17.5 getppid
• 17.6 getuid
• 17.7 kill
• 17.8 mkfifo
• 17.9 setgid
• 17.10 setpgid
• 17.11 setuid
• 17.12 sleep
• 17.13 system
• 17.14 umask
• 17.15 uname

18. Eval Functions

• 18.1 autoload
• 18.2 byte_compile_file
• 18.3 eval
• 18.4 evalfile
• 18.5 get_slang_load_path
• 18.6 set_slang_load_path

19. Module Functions

• 19.1 get_import_module_path
• 19.2 import
• 19.3 set_import_module_path

20. Debugging Functions

• 20.1 _boseos_info
• 20.2 _clear_error
• 20.3 _debug_info
• 20.4 _set_bos_handler
• 20.5 _set_eos_handler
• 20.6 _slangtrace
• 20.7 _traceback
• 20.8 _trace_function

21. Stack Functions

• 21.1 dup
• 21.2 exch
• 21.3 pop
• 21.4 __pop_args
• 21.5 _pop_n
• 21.6 _print_stack
• 21.7 __push_args
• 21.8 _stkdepth
• 21.9 _stk_reverse
• 21.10 _stk_roll

22. Miscellaneous Functions

• 22.1 _auto_declare
• 22.2 __class_id
• 22.3 __class_type
• 22.4 current_namespace
• 22.5 _eqs
• 22.6 getenv
• 22.7 __get_reference
• 22.8 implements
• 22.9 __is_callable
• 22.10 __is_numeric
• 22.11 __is_same
• 22.12 putenv
• 22.13 _slang_install_prefix
• 22.14 _slang_utf8_ok
• 22.15 __uninitialize
• 22.16 use_namespace