https://man7.org/linux/man-pages/man3/ausearch_add_expression.3.html
ausearch_add_expression(3) - Linux manual page
addexpressionlinuxmanual
https://man7.org/linux/man-pages/man3/ausearch_add_timestamp_item.3.html
ausearch_add_timestamp_item(3) - Linux manual page
addtimestampitemlinuxmanual
https://man7.org/linux/man-pages/man3/ausearch_add_item.3.html
ausearch_add_item(3) - Linux manual page
add itemlinuxmanual
https://man7.org/linux/man-pages/man3/ausearch_add_timestamp_item_ex.3.html
ausearch_add_timestamp_item_ex(3) - Linux manual page
addtimestampitemexlinux