udev_enumerate_add_match_subsystem

Index · Directives systemd 234

## Name

udev_enumerate_add_match_subsystem, udev_enumerate_add_nomatch_subsystem, udev_enumerate_add_match_sysattr, udev_enumerate_add_nomatch_sysattr, udev_enumerate_add_match_property, udev_enumerate_add_match_sysname, udev_enumerate_add_match_tag, udev_enumerate_add_match_parent, udev_enumerate_add_match_is_initialized — Modify filters

## Synopsis

    #include <libudev.h>

`int udev_enumerate_add_match_subsystem(` | struct udev_enumerate *udev_enumerate,
| const char *subsystem`)`;

`int udev_enumerate_add_nomatch_subsystem(` | struct udev_enumerate *udev_enumerate,
| const char *subsystem`)`;

`int udev_enumerate_add_match_sysattr(` | struct udev_enumerate *udev_enumerate,
| const char *sysattr,
| const char *value`)`;

`int udev_enumerate_add_nomatch_sysattr(` | struct udev_enumerate *udev_enumerate,
| const char *sysattr,
| const char *value`)`;

`int udev_enumerate_add_match_property(` | struct udev_enumerate *udev_enumerate,
| const char *property,
| const char *value`)`;

`int udev_enumerate_add_match_sysname(` | struct udev_enumerate *udev_enumerate,
| const char *sysname`)`;

`int udev_enumerate_add_match_tag(` | struct udev_enumerate *udev_enumerate,
| const char *tag`)`;

`int udev_enumerate_add_match_parent(` | struct udev_enumerate *udev_enumerate,
| struct udev_device *parent`)`;

`int udev_enumerate_add_match_is_initialized(` | struct udev_enumerate *udev_enumerate`)`;

## Return Value

On success, `udev_enumerate_add_match_subsystem`, `udev_enumerate_add_nomatch_subsystem`, `udev_enumerate_add_match_sysattr`, `udev_enumerate_add_nomatch_sysattr`, `udev_enumerate_add_match_property`, `udev_enumerate_add_match_sysname`, `udev_enumerate_add_match_tag`, `udev_enumerate_add_match_parent` and `udev_enumerate_add_match_is_initialized` return an integer greater than, or equal to, `0`.

## See Also

udev_new(3), udev_device_new_from_syspath(3), udev_enumerate_new(3), udev_enumerate_scan_devices(3), udev_monitor_new_from_netlink(3), udev_list_entry(3), systemd(1),