USB_GET_FROM_ANCHOR(9) USB Core APIs USB_GET_FROM_ANCHOR(9)NAME
usb_get_from_anchor - get an anchor's oldest urb
SYNOPSIS
struct urb * usb_get_from_anchor(struct usb_anchor * anchor);
ARGUMENTS
anchor
the anchor whose urb you want
DESCRIPTION
This will take the oldest urb from an anchor, unanchor and return it
RETURN
The oldest urb from anchor, or NULL if anchor has no urbs associated with it.
COPYRIGHT Kernel Hackers Manual 3.10 June 2014 USB_GET_FROM_ANCHOR(9)
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Tk_GetAnchorFromObj(3) Tk Library Procedures Tk_GetAnchorFromObj(3)__________________________________________________________________________________________________________________________________________________NAME
Tk_GetAnchorFromObj, Tk_GetAnchor, Tk_NameOfAnchor - translate between strings and anchor positions
SYNOPSIS
#include <tk.h>
int
Tk_GetAnchorFromObj(interp, objPtr, anchorPtr)
int
Tk_GetAnchor(interp, string, anchorPtr)
const char *
Tk_NameOfAnchor(anchor)
ARGUMENTS
Tcl_Interp *interp (in) Interpreter to use for error reporting, or NULL.
Tcl_Obj *objPtr (in/out) String value contains name of anchor point: "n", "ne", "e", "se", "s", "sw", "w", "nw", or "center";
internal rep will be modified to cache corresponding Tk_Anchor.
const char *string (in) Same as objPtr except description of anchor point is passed as a string.
int *anchorPtr (out) Pointer to location in which to store anchor position corresponding to objPtr or string.
Tk_Anchor anchor (in) Anchor position, e.g. TCL_ANCHOR_CENTER.
_________________________________________________________________DESCRIPTION
Tk_GetAnchorFromObj places in *anchorPtr an anchor position (enumerated type Tk_Anchor) corresponding to objPtr's value. The result will
be one of TK_ANCHOR_N, TK_ANCHOR_NE, TK_ANCHOR_E, TK_ANCHOR_SE, TK_ANCHOR_S, TK_ANCHOR_SW, TK_ANCHOR_W, TK_ANCHOR_NW, or TK_ANCHOR_CENTER.
Anchor positions are typically used for indicating a point on an object that will be used to position the object, e.g. TK_ANCHOR_N means
position the top center point of the object at a particular place.
Under normal circumstances the return value is TCL_OK and interp is unused. If string does not contain a valid anchor position or an
abbreviation of one of these names, TCL_ERROR is returned, *anchorPtr is unmodified, and an error message is stored in interp's result if
interp is not NULL. Tk_GetAnchorFromObj caches information about the return value in objPtr, which speeds up future calls to Tk_GetAnchor-
FromObj with the same objPtr.
Tk_GetAnchor is identical to Tk_GetAnchorFromObj except that the description of the anchor is specified with a string instead of an object.
This prevents Tk_GetAnchor from caching the return value, so Tk_GetAnchor is less efficient than Tk_GetAnchorFromObj.
Tk_NameOfAnchor is the logical inverse of Tk_GetAnchor. Given an anchor position such as TK_ANCHOR_N it returns a statically-allocated
string corresponding to anchor. If anchor is not a legal anchor value, then "unknown anchor position" is returned.
KEYWORDS
anchor position
Tk 8.1 Tk_GetAnchorFromObj(3)
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