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OpenSolaris 2009.06 - man page for getddnam (opensolaris section 3bsm)

getddent(3BSM)					      Security and Auditing Library Functions					    getddent(3BSM)

getddent, getddnam, setddent, endddent, setddfile - get device_deallocate entry
cc [flag]... file... -lbsm [library]... #include <bsm/devices.h> devdealloc_t *getddent(void); devdealloc_t *getddnam(char *name); void setddent(void); void endddent(void); void setddfile(char *file);
The getddent() and getddnam() functions each return a device_deallocate entry. The getddent() function enumerates all device_deallocate entries. Successive calls to this function return either successive device_deallocate entries or NULL. The getddnam() function searches for a device_deallocate entry with a given device name. The internal representation of a device_deallocate entry is a devdealloc_t structure defined in <bsm/devices.h> with the following members: char *dd_devname; /* device allocation name */ char *dd_logout; /* deallocation action on user logout */ char *dd_boot; /* deallocation action on system boot */ The setddent() function "rewinds" to the beginning of the enumeration of device_deallocate entries. Calls to getddnam() may leave the enu- meration in an indeterminate state, so setddent() should be called before the first call to getddent(). The endddent() function can be called to indicate that device_deallocate processing is complete. The library can then close any opende- vice_deallocate file, deallocate any internal storage, and so forth. The setddfile() function changes the pathname used by the other functions for opening the device_deallocate file, allowing use of device_deallocate files other than the default file, /etc/security/device_deallocate.
The getddent() function returns a pointer to a devdealloc_t if it successfully enumerates an entry. Otherwise it returns NULL, indicating the end of the enumeration. The getddnam() function returns a pointer to a devdealloc_t if it successfully locates the requested entry. Otherwise it returns NULL.
/etc/security/device_deallocate Administrative file defining parameters for device deallocation.
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |MT-Level |Unsafe | +-----------------------------+-----------------------------+
free(3C), attributes(5)
The getddent() and getddnam() functions allocate memory for the pointers they return. This memory can be deallocated with the free(3C) function. SunOS 5.11 11 Jan 2001 getddent(3BSM)

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