udev_enumerate_add_match_subsystem

systemd
udev_enumerate_add_match_subsystem 3
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

    #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,