CIGAL Reference Manual, Chapter 1 (Topics): flags
CIGAL has a several internal number variables that it uses to control
different aspects of its operation. These “flag” variables are:
PFLAGS - processor flag controlling various run-time options AFLAGS - arithmetic options SFLAGS - SKETCH command options DFLAGS - DISK I/O options IFLAGS - image processor options GFLAGS - vector graphics options WFLAGS - screen windows options PRFLAGS - printer options MENUFLAG - menu status (read only) DEBUG - diagnostic message options STATE - processor status (read only) CURSOR - cursor control options
TABLET - control digitizer tablet settings UNIT - control active display devices COM1 - control settings of 1st serial communications port COM2 - control settings of 2nd serial communications port
More information is available about each of these flag variables. See chapter 4 of the CIGAL manual or use the HELP command to get on-line information about a particular flag variable (for example: help pflags).
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