XpGetPrinterList − Retrieves a list of all printers supported on an X Print Server.


cc [ flag... ] file... -lXp [ library... ]

#include <X11/extensions/Print.h>

XPPrinterList XpGetPrinterList ( display, printer_name, list_count_return )
Display *display;
char *printer_name;
int *list_count_return;



Specifies a pointer to the Display structure; returned from XOpenDisplay.


Specifies the name of the printer for which information is desired. If NULL, then information is returned for all printers associated with the server.


Returns the number of printers in the list.


XpGetPrinterList returns a list of printer records where each record describes a printer supported by the X Print Server, or NULL if any errors occur.

If printer_name is NULL, then a list of all printers supported is returned. If printer_name is non-NULL, only print records matching printer_name are returned, and if no records match printer_name , then NULL is returned.

printer_name is a COMPOUND_TEXT string, and the name and desc fields in the returned list will be in COMPOUND_TEXT (note, ISO 8859-1 (Latin-1) is a proper subset of COMPOUND_TEXT, so can be used directly). If printer_name is in a code-set that the X Print Server cannot convert (into its operating code-set), then the X Print Server may fail to locate the requested printer. If printer_name is NULL, then all printer names, regardless of their code-set, can be returned, leaving the task of specific printer recognition up to the caller.

When XpGetPrinterList is called, the caller’s locale (see XpSetLocaleHinter) is included in the request as a "hint" to the X Print Server. If supported by the implementation, the X Print Server will use the hint to locate a localized description for each printer in the list. If the X Print Server cannot understand the hint, the X Print Server will choose a default. The returned printer list can be freed by calling XpFreePrinterList.

The XPPrinterList structure defined in <X11/extensions/Print.h> contains:

typedef struct {

char *name;

/∗ name */
char *desc;

/∗ localized description */

} XPPrinterRec, *XPPrinterList;



Insufficient memory.


XpFreePrinterList(3Xp), XpSetLocaleHinter(3Xp)


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