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# common block for cv
pointer cv_gp # file descriptor to write
pointer cv_stack # working space for escape sequences
int cv_maxframes # device max frames
int cv_maxgraph # device max graph planes
int cv_xcen, cv_ycen # user pixel coords of center of dev.
int cv_xres, cv_yres # device resolution
int cv_zres # device z resolution
real cv_xcon, cv_ycon # conversion from NDC to GKI
int cv_grch # graphics channel
real cv_xwinc, cv_ywinc # cursor position for window command
common /cvcom/ cv_gp, cv_stack, cv_maxframes, cv_maxgraph, cv_xcen, cv_ycen,
cv_xres, cv_yres, cv_zres, cv_xcon, cv_ycon, cv_grch,
cv_xwinc, cv_ywinc
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