Texas Instruments TI-89 Developer's Guide

Appendix A: System Routines — Text Editing
1061
TI
-
89 / TI
-
92 Plus Developer Guide
Not for Distribution
Beta Version January 26, 2001
TE_isBlank
Declaration:
BOOL
TE_isBlank
(TERecord *
teRec
)
Category(ies):
Text Editing
Description:
Query if edit buffer is empty or filled only with blanks.
Inputs:
teRec
— The state record of a text edit field.
Outputs:
Returns TRUE if edit buffer is empty or contains only blanks. Returns
FALSE otherwise.
Assumptions:
None
Side Effects:
None
Availability:
All versions of the TI
-
89 / TI
-
92 Plus.
TI
-
89 / TI
-
92 Plus
Differences:
None
See Also: None
Example:
if (! TE_isBlank(&teRec)) {
/* evaluate expression in edit buffer */
.
.
.
}

Texas Instruments TI-89 Specifications

General

Display size (HxV)	100 x 160 mm
Memory type	639K FLASH ROM, 188K bytes RAM
Compatible operating systems	Operating System 2.09
Battery type	AAA