The S-Lang C Library Reference

John E. Davis <www.jedsoft.org>

1. Functions dealing with UTF-8 encoded strings

• 1.1 SLutf8_skip_char
• 1.2 SLutf8_skip_chars
• 1.3 SLutf8_bskip_char
• 1.4 SLutf8_bskip_chars
• 1.5 SLutf8_decode
• 1.6 SLutf8_encode
• 1.7 SLutf8_strlen
• 1.8 SLutf8_extract_utf8_char
• 1.9 SLutf8_encode_null_terminate
• 1.10 SLutf8_strup
• 1.11 SLutf8_strlo
• 1.12 SLutf8_subst_wchar
• 1.13 SLutf8_compare

2. Character classification functions

• 2.1 SLwchar_toupper
• 2.2 SLwchar_tolower
• 2.3 SLwchar_wcwidth
• 2.4 SLwchar_isalnum
• 2.5 SLwchar_isalpha
• 2.6 SLwchar_isblank
• 2.7 SLwchar_iscntrl
• 2.8 SLwchar_isdigit
• 2.9 SLwchar_isgraph
• 2.10 SLwchar_islower
• 2.11 SLwchar_isprint
• 2.12 SLwchar_ispunct
• 2.13 SLwchar_isspace
• 2.14 SLwchar_isupper
• 2.15 SLwchar_isxdigit

3. SLsearch interface Functions

• 3.1 SLsearch_new
• 3.2 SLsearch_delete
• 3.3 SLsearch_forward
• 3.4 SLsearch_backward
• 3.5 SLsearch_match_len

4. Screen Management (SLsmg) functions

• 4.1 SLsmg_fill_region
• 4.2 SLsmg_set_char_set
• 4.3 int SLsmg_Scroll_Hash_Border;
• 4.4 SLsmg_suspend_smg
• 4.5 SLsmg_resume_smg
• 4.6 SLsmg_erase_eol
• 4.7 SLsmg_gotorc
• 4.8 SLsmg_erase_eos
• 4.9 SLsmg_reverse_video
• 4.10 SLsmg_set_color (int)
• 4.11 SLsmg_normal_video
• 4.12 SLsmg_printf
• 4.13 SLsmg_vprintf
• 4.14 SLsmg_write_string
• 4.15 SLsmg_write_nstring
• 4.16 SLsmg_write_char
• 4.17 SLsmg_write_nchars
• 4.18 SLsmg_write_wrapped_string
• 4.19 SLsmg_cls
• 4.20 SLsmg_refresh
• 4.21 SLsmg_touch_lines
• 4.22 SLsmg_init_smg
• 4.23 SLsmg_reset_smg
• 4.24 SLsmg_char_at
• 4.25 SLsmg_set_screen_start
• 4.26 SLsmg_draw_hline
• 4.27 SLsmg_draw_vline
• 4.28 SLsmg_draw_object
• 4.29 SLsmg_draw_box
• 4.30 SLsmg_set_color_in_region
• 4.31 SLsmg_get_column
• 4.32 SLsmg_get_row
• 4.33 SLsmg_forward
• 4.34 SLsmg_write_color_chars
• 4.35 SLsmg_read_raw
• 4.36 SLsmg_write_raw

5. Functions that deal with the interpreter

• 5.1 SLallocate_load_type
• 5.2 SLdeallocate_load_type
• 5.3 SLang_load_object
• 5.4 SLclass_allocate_class
• 5.5 SLclass_register_class
• 5.6 SLclass_set_string_function
• 5.7 SLclass_set_destroy_function
• 5.8 SLclass_set_push_function
• 5.9 SLclass_set_pop_function
• 5.10 SLclass_get_datatype_name
• 5.11 SLang_free_mmt
• 5.12 SLang_object_from_mmt
• 5.13 SLang_create_mmt
• 5.14 SLang_push_mmt
• 5.15 SLang_pop_mmt
• 5.16 SLang_inc_mmt
• 5.17 SLadd_intrin_fun_table
• 5.18 SLadd_intrin_var_table
• 5.19 SLang_load_file
• 5.20 SLang_restart
• 5.21 SLang_byte_compile_file
• 5.22 SLang_autoload
• 5.23 SLang_load_string
• 5.24 SLdo_pop
• 5.25 SLdo_pop_n
• 5.26 SLang_pop_integer
• 5.27 SLpop_string
• 5.28 SLang_pop_string
• 5.29 SLang_pop_slstring
• 5.30 SLang_pop_double
• 5.31 SLang_pop_complex
• 5.32 SLang_push_complex
• 5.33 SLang_push_double
• 5.34 SLang_push_string
• 5.35 SLang_push_integer
• 5.36 SLang_push_malloced_string
• 5.37 SLang_is_defined
• 5.38 SLang_run_hooks
• 5.39 SLang_execute_function
• 5.40 SLang_get_function
• 5.41 SLexecute_function
• 5.42 SLang_peek_at_stack
• 5.43 SLang_pop_fileptr
• 5.44 SLadd_intrinsic_function
• 5.45 SLadd_intrinsic_variable
• 5.46 SLclass_add_unary_op
• 5.47 SLclass_add_app_unary_op
• 5.48 SLclass_add_binary_op
• 5.49 SLclass_add_math_op
• 5.50 SLclass_add_typecast

6. Library Initialization Functions

• 6.1 SLang_init_slang
• 6.2 SLang_init_slfile
• 6.3 SLang_init_slmath
• 6.4 SLang_init_slunix

7. Miscellaneous Functions

• 7.1 SLcurrent_time_string
• 7.2 SLatoi
• 7.3 SLextract_list_element

8. Error and Messaging Functions

• 8.1 SLang_verror
• 8.2 SLang_doerror
• 8.3 SLang_vmessage
• 8.4 SLang_exit_error

9. String and Memory Allocation Functions

• 9.1 SLmake_string
• 9.2 SLmake_nstring
• 9.3 SLang_create_nslstring
• 9.4 SLang_create_slstring
• 9.5 SLang_free_slstring
• 9.6 SLang_concat_slstrings
• 9.7 SLang_create_static_slstring
• 9.8 SLmalloc
• 9.9 SLcalloc
• 9.10 SLfree
• 9.11 SLrealloc

10. Keyboard Input Functions

• 10.1 SLang_init_tty
• 10.2 SLang_reset_tty
• 10.3 SLtty_set_suspend_state
• 10.4 SLang_getkey
• 10.5 SLang_ungetkey_string
• 10.6 SLang_buffer_keystring
• 10.7 SLang_ungetkey
• 10.8 SLang_flush_input
• 10.9 SLang_input_pending
• 10.10 SLang_set_abort_signal

11. Keymap Functions

• 11.1 SLkm_define_key
• 11.2 SLang_define_key
• 11.3 SLkm_define_keysym
• 11.4 SLang_undefine_key
• 11.5 SLang_create_keymap
• 11.6 SLang_do_key
• 11.7 SLang_find_key_function
• 11.8 SLang_find_keymap
• 11.9 SLang_process_keystring
• 11.10 SLang_make_keystring

12. Undocumented Functions

• 12.1 SLprep_open_prep
• 12.2 SLprep_close_prep
• 12.3 SLprep_line_ok
• 12.4 SLdefine_for_ifdef
• 12.5 SLang_Read_Line_Type * SLang_rline_save_line (SLang_RLine_Info_Type *);
• 12.6 int SLang_init_readline (SLang_RLine_Info_Type *);
• 12.7 int SLang_read_line (SLang_RLine_Info_Type *);
• 12.8 int SLang_rline_insert (char *);
• 12.9 void SLrline_redraw (SLang_RLine_Info_Type *);
• 12.10 int SLtt_flush_output (void);
• 12.11 void SLtt_set_scroll_region(int, int);
• 12.12 void SLtt_reset_scroll_region(void);
• 12.13 void SLtt_reverse_video (int);
• 12.14 void SLtt_bold_video (void);
• 12.15 void SLtt_begin_insert(void);
• 12.16 void SLtt_end_insert(void);
• 12.17 void SLtt_del_eol(void);
• 12.18 void SLtt_goto_rc (int, int);
• 12.19 void SLtt_delete_nlines(int);
• 12.20 void SLtt_delete_char(void);
• 12.21 void SLtt_erase_line(void);
• 12.22 void SLtt_normal_video(void);
• 12.23 void SLtt_cls(void);
• 12.24 void SLtt_beep(void);
• 12.25 void SLtt_reverse_index(int);
• 12.26 void SLtt_smart_puts(unsigned short *, unsigned short *, int, int);
• 12.27 void SLtt_write_string (char *);
• 12.28 void SLtt_putchar(char);
• 12.29 int SLtt_init_video (void);
• 12.30 int SLtt_reset_video (void);
• 12.31 void SLtt_get_terminfo(void);
• 12.32 void SLtt_get_screen_size (void);
• 12.33 int SLtt_set_cursor_visibility (int);
• 12.34 int SLtt_initialize (char *);
• 12.35 void SLtt_enable_cursor_keys(void);
• 12.36 void SLtt_set_term_vtxxx(int *);
• 12.37 void SLtt_set_color_esc (int, char *);
• 12.38 void SLtt_wide_width(void);
• 12.39 void SLtt_narrow_width(void);
• 12.40 int SLtt_set_mouse_mode (int, int);
• 12.41 void SLtt_set_alt_char_set (int);
• 12.42 int SLtt_write_to_status_line (char *, int);
• 12.43 void SLtt_disable_status_line (void);
• 12.44 char *SLtt_tgetstr (char *);
• 12.45 int SLtt_tgetnum (char *);
• 12.46 int SLtt_tgetflag (char *);
• 12.47 char *SLtt_tigetent (char *);
• 12.48 char *SLtt_tigetstr (char *, char **);
• 12.49 int SLtt_tigetnum (char *, char **);
• 12.50 SLtt_Char_Type SLtt_get_color_object (int);
• 12.51 void SLtt_set_color_object (int, SLtt_Char_Type);
• 12.52 void SLtt_set_color (int, char *, char *, char *);
• 12.53 void SLtt_set_mono (int, char *, SLtt_Char_Type);
• 12.54 void SLtt_add_color_attribute (int, SLtt_Char_Type);
• 12.55 void SLtt_set_color_fgbg (int, SLtt_Char_Type, SLtt_Char_Type);
• 12.56 int SLkp_define_keysym (char *, unsigned int);
• 12.57 int SLkp_init (void);
• 12.58 int SLkp_getkey (void);
• 12.59 int SLscroll_find_top (SLscroll_Window_Type *);
• 12.60 int SLscroll_find_line_num (SLscroll_Window_Type *);
• 12.61 unsigned int SLscroll_next_n (SLscroll_Window_Type *, unsigned int);
• 12.62 unsigned int SLscroll_prev_n (SLscroll_Window_Type *, unsigned int);
• 12.63 int SLscroll_pageup (SLscroll_Window_Type *);
• 12.64 int SLscroll_pagedown (SLscroll_Window_Type *);
• 12.65 SLSig_Fun_Type *SLsignal (int, SLSig_Fun_Type *);
• 12.66 SLSig_Fun_Type *SLsignal_intr (int, SLSig_Fun_Type *);
• 12.67 int SLsig_block_signals (void);
• 12.68 int SLsig_unblock_signals (void);
• 12.69 int SLsystem (char *);
• 12.70 void SLadd_at_handler (long *, char *);
• 12.71 void SLang_define_case(int *, int *);
• 12.72 void SLang_init_case_tables (void);
• 12.73 unsigned char *SLang_regexp_match(unsigned char *, unsigned int, SLRegexp_Type *);
• 12.74 int SLang_regexp_compile (SLRegexp_Type *);
• 12.75 char *SLregexp_quote_string (char *, char *, unsigned int);
• 12.76 int SLcmd_execute_string (char *, SLcmd_Cmd_Table_Type *);
• 12.77 SLcomplex_abs
• 12.78 double *SLcomplex_times (double *, double *, double *);
• 12.79 double *SLcomplex_divide (double *, double *, double *);
• 12.80 double *SLcomplex_sin (double *, double *);
• 12.81 double *SLcomplex_cos (double *, double *);
• 12.82 double *SLcomplex_tan (double *, double *);
• 12.83 double *SLcomplex_asin (double *, double *);
• 12.84 double *SLcomplex_acos (double *, double *);
• 12.85 double *SLcomplex_atan (double *, double *);
• 12.86 double *SLcomplex_exp (double *, double *);
• 12.87 double *SLcomplex_log (double *, double *);
• 12.88 double *SLcomplex_log10 (double *, double *);
• 12.89 double *SLcomplex_sqrt (double *, double *);
• 12.90 double *SLcomplex_sinh (double *, double *);
• 12.91 double *SLcomplex_cosh (double *, double *);
• 12.92 double *SLcomplex_tanh (double *, double *);
• 12.93 double *SLcomplex_pow (double *, double *, double *);
• 12.94 double SLmath_hypot (double x, double y);
• 12.95 double *SLcomplex_acosh (double *, double *);
• 12.96 double *SLcomplex_atanh (double *, double *);
• 12.97 char *SLdebug_malloc (unsigned long);
• 12.98 char *SLdebug_calloc (unsigned long, unsigned long);
• 12.99 char *SLdebug_realloc (char *, unsigned long);
• 12.100 void SLdebug_free (char *);
• 12.101 void SLmalloc_dump_statistics (void);
• 12.102 char *SLstrcpy(register char *, register char *);
• 12.103 int SLstrcmp(register char *, register char *);
• 12.104 char *SLstrncpy(char *, register char *, register int);
• 12.105 void SLmemset (char *, char, int);
• 12.106 void SLexpand_escaped_string (register char *, register char *, register char *);
• 12.107 void SLmake_lut (unsigned char *, unsigned char *, unsigned char);
• 12.108 int SLang_guess_type (char *);