SysTutorials Posts

NAME gnutls_alpn_get_selected_protocol – API function SYNOPSIS #include <gnutls/gnutls.h> int gnutls_alpn_get_selected_protocol(gnutls_session_t session, gnutls_datum_t * protocol); ARGUMENTS gnutls_session_t session is a gnutls_session_t structure. gnutls_datum_t * protocol will hold the protocol name DESCRIPTION This function allows you to get the negotiated protocol name. The returned protocol should be treated as opaque, constant value and only valid during the…

NAME gnutls_alert_send_appropriate – API function SYNOPSIS #include <gnutls/gnutls.h> int gnutls_alert_send_appropriate(gnutls_session_t session, int err); ARGUMENTS gnutls_session_t session is a gnutls_session_t structure. int err is an integer DESCRIPTION Sends an alert to the peer depending on the error code returned by a gnutls function. This function will call gnutls_error_to_alert() to determine the appropriate alert to send. This…

NAME gnutls_alert_send – API function SYNOPSIS #include <gnutls/gnutls.h> int gnutls_alert_send(gnutls_session_t session, gnutls_alert_level_t level, gnutls_alert_description_t desc); ARGUMENTS gnutls_session_t session is a gnutls_session_t structure. gnutls_alert_level_t level is the level of the alert gnutls_alert_description_t desc is the alert description DESCRIPTION This function will send an alert to the peer in order to inform him of something important (eg….

NAME gnutls_alert_get_strname – API function SYNOPSIS #include <gnutls/gnutls.h> const char * gnutls_alert_get_strname(gnutls_alert_description_t alert); ARGUMENTS gnutls_alert_description_t alert is an alert number. DESCRIPTION This function will return a string of the name of the alert. RETURNS string corresponding to gnutls_alert_description_t value. SINCE 3.0 REPORTING BUGS Report bugs to <bugs [at] gnutls.org>. Home page: http://www.gnutls.org COPYRIGHT Copyright ©…

NAME gnutls_alert_get_name – API function SYNOPSIS #include <gnutls/gnutls.h> const char * gnutls_alert_get_name(gnutls_alert_description_t alert); ARGUMENTS gnutls_alert_description_t alert is an alert number. DESCRIPTION This function will return a string that describes the given alert number, or NULL. See gnutls_alert_get(). RETURNS string corresponding to gnutls_alert_description_t value. REPORTING BUGS Report bugs to <bugs [at] gnutls.org>. Home page: http://www.gnutls.org COPYRIGHT…

NAME gnutls_alert_get – API function SYNOPSIS #include <gnutls/gnutls.h> gnutls_alert_description_t gnutls_alert_get(gnutls_session_t session); ARGUMENTS gnutls_session_t session is a gnutls_session_t structure. DESCRIPTION This function will return the last alert number received. This function should be called when GNUTLS_E_WARNING_ALERT_RECEIVED or GNUTLS_E_FATAL_ALERT_RECEIVED errors are returned by a gnutls function. The peer may send alerts if he encounters an error. If…

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…