qh_strcmp()
QNX SDP8.0QNX Helpers Developer's GuideAPIDeveloper
Safely compare two strings
Synopsis:
#include <qh/string.h>
int qh_strcmp(const char *str1,
const char *str2)
Arguments:
- str1
- The first string to compare, or NULL.
- str2
- The second string to compare, or NULL.
Library:
qhDescription:
The qh_strcmp() function compares the string that str1 points to the one that str2 points to. A NULL argument is valid and compares as smaller to a non-NULL string and as equal to another NULL string.
Returns:
-2
if str1 is NULL and str2 is not2
if str2 is NULL and str1 is not- If str1 and str2 are not NULL:
- <
0
if str1 is less than str2 0
if str1 is equal to str2- >
0
if str1 is greater than str2
- <
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