Many functions require you to return a Hollywood error code to indicate success or
failure. All standard error codes are defined in hollywood/errors.h
but you can
also register custom error codes using
To indicate success, you have to return 0 which is equivalent to the constant ERR_NONE
.
A special error code is ERR_USERABORT
. If you return this error code, Hollywood will
immediately shut down and quit without showing any error message.