Checksysfunc - Texas Instruments TI-89 Developer's Manual

1118

CheckSysFunc

Declaration: WORD CheckSysFunc (BYTE * SymName , short * RetFuncNum )
Category(ies): Variable Name Utilities
Description: Check for graph functions and other special names and return the type of
the variable passed or zero otherwise.
SymName
Inputs:
Outputs: RetFuncNum — If not NULL and SymName was a valid graph function
Assumptions: None
Side Effects: None
Availability: All versions of the TI-89 / TI-92 Plus.
TI-89 / TI-92 Plus Developer Guide
Appendix A: System Routines — Variable Name Utilities
— C pointer to the first letter of an untokenized symbol
name (does not point to the zero byte terminator).
name or C_COL then return the function/column
number (1 . . . 99) at the WORD pointed to by
RetFuncNum .
Returns — zero
(continued)
Not for Distribution
— Not a system function
or special name.
GR_FUNC — y1 . . . y99
GR_PAR — xt1 . . . xt99,
yt1 . . . yt99
GR_POL — r1 . . . r99
GR_SEQ — u1 . . . r99
GR_3D — z1 . . . z99
GR_DE — y'1 . . . y'99
SEQ_INITC — ui1 . . . ui99
DE_INITC — yi1 . . . yi99
DE_FLDPIC — FldPic
UNIT_VAR — Name begins with a
leading underscore.
C_COL — c1 . . . c99
R_REGEQ — RegEq
SOLVER_SYS_VARS — Exp, Eqn
Beta Version January 26, 2001