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Formatting and I/O Library Chapter 2
LabWindows/CVI Standard Libraries 2-8 © National Instruments Corporation
Return Value
result
integer Result of the compare
operation.
Return Codes
-1
Bytes from buffer#1 less than bytes from buffer#2.
0
Bytes from buffer#1 identical to bytes from buffer#2.
1
Bytes from buffer#1 greater than bytes from
buffer#2.
Parameter Discussion
Both buffer#1Index and buffer#2Index are zero-based.
If caseSensitive is zero, alphabetic characters are compared without regard to case. If
caseSensitive is non-zero, alphabetic characters are considered equal only if they have the same
case.
The function returns an integer value indicating the lexicographic relationship between the two
sets of bytes.
CompareStrings
int result = CompareStrings (char *string#1, int string#1Index, char *string#2,
int string#2Index, int caseSensitive);
Purpose
Compares the NUL-terminated string starting at position string#1Index of string#1 to the
NUL-terminated string starting at position string#2Index of string#2. Both string#1Index and
string#2Index are zero-based.
Parameters
Input
string#1
string String 1.
string#1Index
integer
Starting position in string#1.
string#2
string String 2.
string#2Index
integer
Starting position in string#2.
caseSensitive
integer Case sensitivity mode.