Function

GLibCompareFunc

Declaration

gint
(* GCompareFunc) (
  gconstpointer a,
  gconstpointer b
)

Description [src]

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

Type: gconstpointer

A value.

The argument can be NULL.

The data is owned by the caller of the function.

b

Type: gconstpointer

A value to compare with.

The argument can be NULL.

The data is owned by the caller of the function.

Return value

Type: gint

Negative value if a < b; zero if a = b; positive value if a > b.