Linux Manuals session 3

NAME gnu_get_libc_version, gnu_get_libc_release – get glibc version and release SYNOPSIS #include <gnu/libc-version.h> const char *gnu_get_libc_version(void); const char *gnu_get_libc_release(void); DESCRIPTION The function gnu_get_libc_version() returns a string that identifies the glibc version available on the system. The function gnu_get_libc_release() returns a string indicates the release status of the glibc version available on the system. This will be…

NAME gnu_get_libc_version, gnu_get_libc_release – get glibc version and release SYNOPSIS #include <gnu/libc-version.h> const char *gnu_get_libc_version(void); const char *gnu_get_libc_release(void); DESCRIPTION The function gnu_get_libc_version() returns a string that identifies the glibc version available on the system. The function gnu_get_libc_release() returns a string indicates the release status of the glibc version available on the system. This will be…

NAME makedev, major, minor – manage a device number SYNOPSIS #include <sys/sysmacros.h> dev_t makedev(unsigned int maj, unsigned int min); unsigned int major(dev_t dev); unsigned int minor(dev_t dev); DESCRIPTION A device ID consists of two parts: a major ID, identifying the class of the device, and a minor ID, identifying a specific instance of a device…

NAME makedev, major, minor – manage a device number SYNOPSIS #include <sys/sysmacros.h> dev_t makedev(unsigned int maj, unsigned int min); unsigned int major(dev_t dev); unsigned int minor(dev_t dev); DESCRIPTION A device ID consists of two parts: a major ID, identifying the class of the device, and a minor ID, identifying a specific instance of a device…

NAME makedev, major, minor – manage a device number SYNOPSIS #include <sys/sysmacros.h> dev_t makedev(unsigned int maj, unsigned int min); unsigned int major(dev_t dev); unsigned int minor(dev_t dev); DESCRIPTION A device ID consists of two parts: a major ID, identifying the class of the device, and a minor ID, identifying a specific instance of a device…

NAME asctime, ctime, gmtime, localtime, mktime, asctime_r, ctime_r, gmtime_r, localtime_r – transform date and time to broken-down time or ASCII SYNOPSIS #include <time.h> char *asctime(const struct tm *tm); char *asctime_r(const struct tm *tm, char *buf); char *ctime(const time_t *timep); char *ctime_r(const time_t *timep, char *buf); struct tm *gmtime(const time_t *timep); struct tm *gmtime_r(const time_t *timep,…

NAME asctime, ctime, gmtime, localtime, mktime, asctime_r, ctime_r, gmtime_r, localtime_r – transform date and time to broken-down time or ASCII SYNOPSIS #include <time.h> char *asctime(const struct tm *tm); char *asctime_r(const struct tm *tm, char *buf); char *ctime(const time_t *timep); char *ctime_r(const time_t *timep, char *buf); struct tm *gmtime(const time_t *timep); struct tm *gmtime_r(const time_t *timep,…

glutWireTorus – Draw a wireframe torus. Library OpenGLUT – geometry Synopsis In openglut.h Ft void Fn glutWireTorus GLdouble dInnerRadius GLdouble dOuterRadius GLint nSides GLint nRings Parameters Bf Em  dInnerRadius Ef     Radius of “tube” Bf Em  dOuterRadius Ef     Radius of “path” Bf Em  nSides Ef           Facets around “tube” Bf Em  nRings Ef           Joints along “path” Description This function effectively wraps…

glutWireTetrahedron – Draw a wireframe tetrahedron. Library OpenGLUT – geometry Synopsis In openglut.h Ft void Fn glutWireTetrahedron void Description This function draws a regular, wireframe 4-sided polyhedron centered at the origin. The distance from the origin to the vertices is 1. Todo Merge Bf Sy  r0 Ef   Bf Sy  r1 Ef   Bf Sy…

glutWireTeapot – Draw a wireframe teapot. Library OpenGLUT – geometry Synopsis In openglut.h Ft void Fn glutWireTeapot GLdouble size Parameters Bf Em  size Ef         Scale factor. Description This function draws the standard Teapot in wireframe using OpenGL evaluators. This is the classic "Utah Teapot" of computer graphics. The base should lie in the xy-plane with…

glutWireSphere – Draw a wireframe sphere centered at the origin. Library OpenGLUT – geometry Synopsis In openglut.h Ft void Fn glutWireSphere GLdouble radius GLint slices GLint stacks Parameters Bf Em  radius Ef         Sphere radius. Bf Em  slices Ef         The number of divisions around the z axis. (latitudal) Bf Em  stacks Ef         The number of divisions along…

glutWireSierpinskiSponge – Draw a wireframe Spierspinski’s sponge. Library OpenGLUT – geometry Synopsis In openglut.h Ft void Fn glutWireSierpinskiSponge int num_levels const GLdouble offset[ 3 ] GLdouble scale Parameters Bf Em  num_levels Ef     Recursive depth. Bf Em  offset Ef         Location vector. Bf Em  scale Ef          Relative size. Description This function recursively draws a few levels of…

glutWireRhombicDodecahedron – Draw a wireframe rhombic dodecahedron Library OpenGLUT – geometry Synopsis In openglut.h Ft void Fn glutWireRhombicDodecahedron void Description This function draws a wireframe dodecahedron whose facets are rhombic and whose vertices are at unit radius. No facet lies normal to any coordinate axes. The polyhedron is centered at the origin. See Also glutSolidRhombicDodecahedron(3)…

glutWireOctahedron – Draw a wireframe octahedron. Library OpenGLUT – geometry Synopsis In openglut.h Ft void Fn glutWireOctahedron void Description This function draws a regular wireframe 8-sided polyhedron centered at the origin. The vertices are at (+/-1, 0, 0), (0, +/-1, 0), (0, 0, +/-1). Caveats We visit the same vertices the same number of times…

glutWireIcosahedron – Draw a wireframe icosahedron. Library OpenGLUT – geometry Synopsis In openglut.h Ft void Fn glutWireIcosahedron void Description This function draws a regular, solid 20-sided polyhedron centered at the origin. The distance from the origin to the vertices is 1. No facet is normal to any of the Bf Sy  x, Ef   Bf…

glutWireDodecahedron – Draw a wireframe dodecahedron. Library OpenGLUT – geometry Synopsis In openglut.h Ft void Fn glutWireDodecahedron void Description This function draws a regular, wireframe 12-sided polyhedron centered at the origin. The distance from the origin to the vertices is sqrt(3). The facets are pentagons. No facet is normal any of the Bf Sy  x,…

glutWireCylinder – Draw a wireframe cylinder. Library OpenGLUT – geometry Synopsis In openglut.h Ft void Fn glutWireCylinder GLdouble radius GLdouble height GLint slices GLint stacks Parameters Bf Em  radius Ef      Radius of cylinder. Bf Em  height Ef      Z height. Bf Em  slices Ef      Number of divisions around the z axis. Bf Em  stacks Ef      Number…

glutWireCube – Draw a wireframe cube centered at the origin. Library OpenGLUT – geometry Synopsis In openglut.h Ft void Fn glutWireCube GLdouble width Parameters Bf Em  width Ef        The width, height and depth of the cube. Description The glutWireCube() function draws an axis-aligned wireframe cube with a specified width, height and depth. The vertices of…

glutWireCone – Draw a wireframe cone. Library OpenGLUT – geometry Synopsis In openglut.h Ft void Fn glutWireCone GLdouble base GLdouble height GLint slices GLint stacks Parameters Bf Em  base Ef        Cone radius at the base in the xy plane. Bf Em  height Ef      Height of cone in positive z direction. Bf Em  slices Ef      The…

glutWindowStatusFunc – Sets the window status callback. Library OpenGLUT – windowcallback Synopsis In openglut.h Ft void Fn glutWindowStatusFunc void( *callback )( int state ) Parameters Bf Em  callback Ef     Client window status hook. Description When the visibility status of your window changes, OpenGLUT either invokes the Bf Sy  callback Ef  registered by this function or…