section 3 · Library functions 📚

100762 pages · page 456 of 504

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V (continued)

vpCurrentMatrix(3)choose the current transformation matrix✨
vpEnable(3)enable or disable options✨
vpExtract(3)extract one field from a rectangular region of a volume✨
vpGetError(3)retrieve error codes✨
vpGeti(3)get the value of an option✨
vpGetImage(3)get a field of the intermediate image✨
vpGetLight(3)get lighting properties✨
vpGetMaterial(3)get material properties✨
vpGetMatrix(3)retrieve the contents of a transformation matrix✨
vpGetTimer(3)interval timer facility✨
vpIdentityMatrix(3)load the identity matrix into the current transformation matrix✨
vpLoadRawVolume(3)load volume data structures from a file✨
vpMultMatrix(3)multiply the current transformation matrix by another matrix✨
vpNormalIndex(3)encode/decode a surface normal vector✨
vpOctreeMask(3)compute a mask representing one level of a min-max octree✨
vpoll(3)generate synthetic events for poll/select/ppoll/pselect/epoll✨
vpoll_close(3)generate synthetic events for poll/select/ppoll/pselect/epoll✨
vpoll_create(3)generate synthetic events for poll/select/ppoll/pselect/epoll✨
vpoll_ctl(3)generate synthetic events for poll/select/ppoll/pselect/epoll✨
vpRamp(3)initialize an array with a piecewise-linear ramp✨
vpRenderRawVolume(3)render a volume✨
vpResample(3)resample an array✨
vprintf(3)formatted output conversion✨
vprintf_l(3)formatted output conversion✨
vpRotate(3)multiply the current transformation matrix by a rotation matrix✨
vpScale(3)multiply the current transformation matrix by a scaling matrix✨
vpScanlineNormals(3)compute surface normal vectors and gradient magnitudes for a scanline✨
vpSetCallback(3)define a callback function✨
vpSetClassifierTable(3)specify an opacity transfer function✨
vpSetClientData(3)define a client data pointer✨
vpSetDebug(3)enable/disable debugging options✨
vpSetDepthCueing(3)set depth cueing parameters✨
vpSetFilter(3)define a resampling filter✨
vpSeti(3)set the value of an option✨
vpSetImage(3)specify an image array✨
vpSetLight(3)set lighting properties✨
vpSetLookupShader(3)specify shading lookup tables✨
vpSetMaterial(3)set material properties✨
vpSetMatrix(3)load a matrix into the current transformation matrix✨
vpSetRawVoxels(3)specify an array of volume data✨
vpSetShadowLookupShader(3)specify shading lookup tables for rendering shadows✨
vpSetVolumeSize(3)define the dimensions of a volume✨
vpSetVoxelField(3)define the size and location of a voxel field✨
vpSetVoxelSize(3)define the size of a voxel✨
vpShadeTable(3)compute the contents of the shading lookup table✨
vpStoreRawVolume(3)store volume data structures to a file✨
vpTracePixel(3)print a trace of the voxels composited into a pixel✨
vpTranslate(3)multiply the current transformation matrix by a translation matrix✨
vpTranspose(3)transpose a volume✨
vpVolumeNormals(3)compute surface normal vectors and gradient magnitudes for a volume✨
vpWindow(3)multiply the projection matrix by a perspective or orthographic matrix✨
vpWindowPHIGS(3)multiply the projection matrix by a PHIGS viewing matrix✨
vr_map_limb(3)Create a binding between a 3d object and a vrbridge limb✨
vr_metadata(3)retrieve metadata from a vr bridge✨
vr_setup(3)Launch the VR bridge for VR device support✨
vrb(3)virtual ring buffer✨
vrb_capacity(3)return the buffer capacity✨
vrb_data_len(3)return the length of data✨
vrb_data_ptr(3)return pointer to data✨
vrb_destroy(3)destroy a virtual ring buffer✨
vrb_get(3)get data from a VRB✨
vrb_get_min(3)get minimum data from a VRB✨
vrb_give(3)create a new virtual ring buffer✨
vrb_init(3)initialize a virtual ring buffer✨
vrb_init_opt(3)initialize a virtual ring buffer✨
vrb_is_empty(3)indicate if VRB is empty✨
vrb_is_full(3)indicate if VRB is full✨
vrb_is_not_empty(3)indicate if VRB is not_empty✨
vrb_is_not_full(3)indicate if VRB is not_full✨
vrb_move(3)read data into a VRB✨
vrb_new(3)create a new virtual ring buffer✨
vrb_new_opt(3)create a new virtual ring buffer✨
vrb_put(3)put data into a VRB✨
vrb_put_all(3)put all data into a VRB✨
vrb_read(3)read data into a VRB✨
vrb_read_min(3)read a minimum of data into a VRB✨
vrb_resize(3)create a new virtual ring buffer✨
vrb_space_len(3)return the length of space✨
vrb_space_ptr(3)return pointer to empty space✨
vrb_take(3)take data from a VRB✨
vrb_uninit(3)uninit a virtual ring buffer✨
vrb_write(3)write data from a VRB✨
vrb_write_min(3)write data from a VRB✨
vring_state_changed(3)✨
vscanf(3)input FILE format conversion✨
vscanf_l(3)input format conversion✨
vsnprintf(3)string print formatted✨
vsnprintf_l(3)formatted output conversion✨
vsnprintf_P(3)✨
vsp(3)covert Perl version string into RPM version string✨
vsprintf(3)string print formatted✨
vsprintf_l(3)formatted output conversion✨
vsprintf_P(3)✨
vsscanf(3)input string format conversion✨
vsscanf_l(3)input format conversion✨
vswprintf(3)formatted wide-character output conversion✨
vswscanf(3)wide character input format conversion✨
vsync(3)Waits for a vertical retrace to begin. Allegro game programming library.✨
vsyslog(3)send messages to the system logger✨
vtimes(3)get resource usage✨
vw_printw(3)write formatted output to a curses window✨
vw_scanw(3)read formatted input from a curses window✨
vwarn(3)formatted error messages✨
vwarnc(3)formatted error messages✨
vwarnx(3)formatted error messages✨
vwprintf(3)formatted wide-character output conversion✨
vwprintw(3)write formatted output to a curses window✨
vwscanf(3)wide character input format conversion✨
vwscanw(3)read formatted input from a curses window✨
vx_flags(3)✨
vx_vni(3)✨
vxlan(3)✨

W

w0(3)✨
w1(3)✨
w10(3)✨
w2(3)✨
w8(3)✨
w_of_z(3)Faddeeva's rescaled complex error function✨
wadd_wch(3)add a curses complex character to a window, possibly advancing the cursor✨
wadd_wchnstr(3)add a curses complex character string to a window✨
wadd_wchstr(3)add a curses complex character string to a window✨
waddch(3)add a curses character to a window and advance the cursor✨
waddchnstr(3)add a curses character string to a window✨
waddchstr(3)add a curses character string to a window✨
waddnstr(3)add a string to a curses window and advance the cursor✨
waddnwstr(3)add a wide-character string to a curses window and advance the cursor✨
waddstr(3)add a string to a curses window and advance the cursor✨
waddwstr(3)add a wide-character string to a curses window and advance the cursor✨
waffle_attrib_list(3)Utilities for attribute lists✨
waffle_attrib_list_get(3)Utilities for attribute lists✨
waffle_attrib_list_get_with_default(3)Utilities for attribute lists✨
waffle_attrib_list_length(3)Utilities for attribute lists✨
waffle_attrib_list_update(3)Utilities for attribute lists✨
waffle_config(3)class waffle_config✨
waffle_config_choose(3)class waffle_config✨
waffle_config_destroy(3)class waffle_config✨
waffle_config_get_native(3)class waffle_config✨
waffle_context(3)class waffle_context✨
waffle_context_create(3)class waffle_context✨
waffle_context_destroy(3)class waffle_context✨
waffle_context_get_native(3)class waffle_context✨
waffle_display(3)class waffle_display✨
waffle_display_connect(3)class waffle_display✨
waffle_display_disconnect(3)class waffle_display✨
waffle_display_get_native(3)class waffle_display✨
waffle_display_supports_context_api(3)class waffle_display✨
waffle_dl(3)platform-independent interface to dynamic libraries✨
waffle_dl_can_open(3)platform-independent interface to dynamic libraries✨
waffle_dl_sym(3)platform-independent interface to dynamic libraries✨
waffle_enum(3)Utilities for waffle enums✨
waffle_enum_to_string(3)Utilities for waffle enums✨
waffle_error(3)Thread-local error state✨
waffle_error_get_code(3)Thread-local error state✨
waffle_error_get_info(3)Thread-local error state✨
waffle_error_to_string(3)Thread-local error state✨
waffle_gbm(3)Containers for underlying native GBM objects✨
waffle_gbm_config(3)Containers for underlying native GBM objects✨
waffle_gbm_context(3)Containers for underlying native GBM objects✨
waffle_gbm_display(3)Containers for underlying native GBM objects✨
waffle_gbm_window(3)Containers for underlying native GBM objects✨
waffle_get_current_context(3)set and get resources current to the thread✨
waffle_get_current_display(3)set and get resources current to the thread✨
waffle_get_current_window(3)set and get resources current to the thread✨
waffle_get_proc_address(3)Query address of OpenGL functions✨
waffle_glx(3)Containers for underlying native GLX objects✨
waffle_glx_config(3)Containers for underlying native GLX objects✨
waffle_glx_context(3)Containers for underlying native GLX objects✨
waffle_glx_display(3)Containers for underlying native GLX objects✨
waffle_glx_window(3)Containers for underlying native GLX objects✨
waffle_init(3)Initialize waffle's per-process global state✨
waffle_is_extension_in_string(3)Check if a name appears in an OpenGL-style extension string✨
waffle_make_current(3)set and get resources current to the thread✨
waffle_native(3)Containers for underlying native objects✨
waffle_native_config(3)Containers for underlying native objects✨
waffle_native_context(3)Containers for underlying native objects✨
waffle_native_display(3)Containers for underlying native objects✨
waffle_native_window(3)Containers for underlying native objects✨
waffle_teardown(3)Teardown waffle's per-process global state✨
waffle_wayland(3)Containers for underlying native Wayland objects✨
waffle_wayland_config(3)Containers for underlying native Wayland objects✨
waffle_wayland_context(3)Containers for underlying native Wayland objects✨
waffle_wayland_display(3)Containers for underlying native Wayland objects✨
waffle_wayland_window(3)Containers for underlying native Wayland objects✨
waffle_window(3)class waffle_window✨
waffle_window_create(3)class waffle_window✨
waffle_window_destroy(3)class waffle_window✨
waffle_window_get_native(3)class waffle_window✨
waffle_window_show(3)class waffle_window✨
waffle_window_swap_buffers(3)class waffle_window✨
waffle_x11_egl(3)Containers for underlying native X11/EGL objects✨
waffle_x11_egl_config(3)Containers for underlying native X11/EGL objects✨
waffle_x11_egl_context(3)Containers for underlying native X11/EGL objects✨
waffle_x11_egl_display(3)Containers for underlying native X11/EGL objects✨
waffle_x11_egl_window(3)Containers for underlying native X11/EGL objects✨
WAIT(3)✨
wait(3)wait for a process to exit✨
waitCDKLabel(3)Cdk label widget✨
WaitSRQ(3)sleep until the SRQ bus line is asserted✨
warn(3)formatted error messages✨
warnc(3)formatted error messages✨