- char *basename(char *path);
extracts a filename from a full pathname. This
function uses the UNIX basename command.
Be careful, the string is allocated each time the
function is called, use free() to release it.
- char *dirname(char *path);
extracts a dirname from a full pathname. This
function uses the UNIX dirname command.
Be careful, the string is allocated each time the
function is called, use free() to release it.
- void insert_chars(int n, char
repeated_char); inserts at the current position
n times repeated_char.
- void delete_chars(int ndel); deletes forward
ndel characters from the current position.
- void delete_to_beginning_of_line();
deletes characters from the current position to the
beginning of the line.
- void delete_to_end_of_line();
deletes characters from the current position to the end
of the line.
- void delete_region(int start, int end);
deletes characters from start position to
end position.
- int does_file_exist(char *filename);
returns True if the file filename exist.
- int does_unix_command_exist(char
*unix_cmd); returns True if the command unix_cmd exists.
- void print_ascii(); prints the characters
from 0 to 255 with the current font.
- void change_return_to_newline();
replaces
\r with \n from the current
position to the end of file.
- char * concat(char *s1, char *s2); returns
a string which is the concatenation of s1 and
s2.
Be careful, the string is allocated each time the
function is called, use free() to release it.
- char *substring (char *s, int n, int m);
returns m characters from position n in
s (i.e. substring ("chapeau", 2, 3) = "ape").
Be careful, the string is allocated each time the
function is called, use free() to release it.
- char* file_type(char* filename); returns
the type of the f ile filename. This function uses the
UNIX file command.
Examples:
- file_type("smaclib.tex") returns the string
ascii text
- file_type("/bin/ls") returns the string
mc68020 pure dynamically linked executable (on a SUN
3/60).
- int is_dir(char* filename); returns True
if filename is a directory.
- int is_file(char* filename); returns True
if filename is a regular file (i.e. not a
directory nor a link, socket or special).
- void wait_for_file(char *filename); waits
until the file filename be present.
- void wait_for_nofile(char *filename); waits
until the file filename be removed.
- void purge(); closes all text windows which
content are already saved.
- char* window_substring(int start, int
end); extracts a string in the current window from
start position to end position.
Be careful, the string is allocated each time the
function is called, use free() to release it.
- void center_line(); centers the current
line within a width of 80 characters.
- void center_line_within(int width);
centers the current line within a width of width
characters.
- void delete_line_blanks(); deletes blanks and tabs
just before current position and behind if current character is a
blank or a tab.
- void just_one_blank(); calls the previous function
and inserts a blank.
- void delete_previous_char(); deletes the
previous character preceding the current position.
- int gets_string_cancelled(char* str);
returns True if the string str is neither null nor
equal to
^g (ASCII code 7). Useful after a call to the
gets functions.
- int is_num(char *str); returns True if
the string str is numeric (12.34 is valid).
- int read_int_from_string(char* str);
reads an int from the string str and returns
it.
- void recenter(); recenters current position
vertically in window.
- void sleep(s); waits s seconds.
- void transpose_chars(); transpose current
and preceding character.
