strncmp
- Updated2023-02-21
- 2 minute(s) read
strncmp
int strncmp (const char string1[], const char string2[], size_t maxChars);
Purpose
Compares a specified number of characters of two NUL-terminated strings. Characters that follow an ASCII NUL byte are not compared. The comparison is based upon the value of the characters in the strings interpreted as unsigned chars. The comparison is case-sensitive.
Parameters
| Input | ||||
| Name | Type | Description | ||
| string1 | const char [] | Contains a pointer to the string that is compared to string2. | ||
| string2 | const char [] | Contains a pointer to the string that is compared to string1. | ||
| maxChars | size_t |
Specifies the maximum number of characters to compare between the two specified strings.
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Return Value
| Name | Type | Description | ||||||||
| comparisonResult | int |
Contains the result of the comparison between the two specified strings. The comparison is based on the value of the characters,
interpreted as unsigned chars. The comparison is case-sensitive. The following explains the possible return values:
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Additional Information
Library: ANSI C Library
Include file: ansi_c.h
LabWindows/CVI compatibility: LabWindows/CVI 3.0 and later
Examples
Refer to the following examples that use the strncmp function:
- apps\uirview\uirview.cws
Open example - functionpanels\Customization\SelectColor.cws
Open example