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1109055A
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1993-07-21
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33 lines
//strdetab.h
/*
strdetab takes a null-terminated string in_buf,
possibly containing tab characters and copies it to
out_buf, expanding the tab characters as it goes.
Copying stops when max_line_length characters have
been placed in out_buf or when in_buf has been
completely copied. out_buf is null-terminated
(The '\0' is in addition to max_line_length).
If char_line_length is not NULL, then
*char_line_length is set to the number of characters
in out_buf (the equivalent of strlen).
The way that the tabs are expanded is determined by
no_of_tabs and tab_stops. tab_stops is an array
of size no_of_tabs, i.e. indexed 0 to no_of_tabs - 1.
Each entry in tab stops is a tab position.
If no_of_tabs == 1 then the first entry in
tab_stops is used to specify the position for all
tabs in the line, at intervals of tab_stops[0].
If tab_stops is exhausted, then tabs are replaced by spaces.
strdetab returns a pointer to out_buf.
*/
const char * strdetab(char * out_buf,
const int max_line_length,
const char * in_buf,
const int no_of_tabs,
const int * tab_stops,
int * char_line_length = NULL);