clears a bit in a byte, and return the original

double tan( double  x )

computes the tangent of angle x

float tanf( float  x )

computes the tangent of angle x

long double tanl( long  double  x )

computes the tangent of angle x

sets a bit in a byte, and return the original

Public Sub TestATI ( vrambase As  Byte  Ptr, cram As  Byte  Ptr )

tests for an ATI Mach64 and sets up the

Sub TestCirrus( board_model  As  Long, lfb  As  Long, portbase  As  Long )

runs the test suite for the Cirrus Logic graphics cards

Sub TestR600( board_model  As  Long, board_version  As  Long, lfb  As  Long, portbase  As  Long, mmiobase  As  Long )

runs the test suite for the R6xx series graphics card

Sub TestVerite( board_model  As  Long, board_version  As  Long, lfb  As  Long, portbase  As  Long )

runs the test suite for the Verite graphics card

Sub TestVerite( board_model  As  Long, board_version  As  Long, lfb  As  Long, portbase  As  Long )

runs the test suite for the Verite graphics card

int tolower( int  c )

Returns the lowercase version of a character

int toupper( int  c )

Returns the uppercase version of a character

Request memory from the kernel

Copies a virtual-to-physical mapping from the current address space to a remote address space

Sub Triangle( x1  As  Long, y1  As  Long, x2  As  Long, y2  As  Long, x3  As  Long, y3  As  Long, c  as  Byte )

renders a triangle

double trunc( double  x )

gets and returns the integer part of x

float truncf( float  x )

gets and returns the integer part of x

long double truncl( long  double  x )

gets and returns the integer part of x