NAME
JSIsButtonAllocated - Button number validation
SYNTAX
#include <jsw.h>
int JSIsButtonAllocated(
js_data_struct *jsd,
int n
)
ARGUMENTS
- jsd
-
Specifies the pointer to the joystick data structure, which should have been set up by a prior call to JSInit.
- n
-
Specifies the button number.
DESCRIPTION
The JSIsButtonAllocated function checks if the given button number n exists on the given jsd structure.
RETURN VALUE
The JSIsButtonAllocated function returns zero if the button does not exist or 1 if the button does exist.