SYNOPSIS
#include <pslib.h>
float PS_get_value(PSDoc *psdoc, char *name, float modifier)
DESCRIPTION
Gets several values which were set by PS_set_value(3). Parameters are by definition float values.
The parameter modifier specifies the resource for which the value is to be retrieved. This can be the id of a font or an image. It must be 0.0 if not used.
RETURN VALUE
Returns the value of the parameter or NULL.