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uoffset - Man Page

Finds the offset of a character in a string. Allegro game programming library.


#include <allegro.h>

int uoffset(const char *s, int index);


Finds out the offset (in bytes from the start of the string) of the character at the specified `index' in the string `s'. A zero `index' parameter will return the first character of the string. If `index' is negative, it counts backward from the end of the string, so an `index' of `-1' will return an offset to the last character. Example:

   int from_third_letter = uoffset(text_string, 2);

Return Value

Returns the offset in bytes to the specified character.

See Also

ugetat(3), usetat(3), uinsert(3), uremove(3)

Referenced By

set_uformat(3), ugetat(3), uinsert(3), uremove(3), usetat(3).

version 4.4.3 Allegro manual