Function
GLibCompareDataFunc
Description
Specifies the type of a comparison function used to compare two values. The function should return a negative integer if the first value comes before the second, 0 if they are equal, or a positive integer if the first value comes after the second.
Parameters
a |
gconstpointer |
A value. |
|
The argument can be NULL . | |
The data is owned by the caller of the function. | |
b |
gconstpointer |
A value to compare with. |
|
The argument can be NULL . | |
The data is owned by the caller of the function. | |
user_data |
gpointer |
User data. |
|
The argument can be NULL . | |
The data is owned by the caller of the function. |