Function ffmpeg_sys_next::av_get_token
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Unescape the given string until a non escaped terminating char, and return the token corresponding to the unescaped string.
The normal \ and ’ escaping is supported. Leading and trailing whitespaces are removed, unless they are escaped with ’' or are enclosed between ‘’.
@param buf the buffer to parse, buf will be updated to point to the terminating char @param term a 0-terminated list of terminating chars @return the malloced unescaped string, which must be av_freed by the user, NULL in case of allocation failure