Get1NamedResource
ResType rType ; resource type, e.g., 'FONT' ConstStr255Param rName ; address of length-prefixed text (e.g., "\pgeneva")
returns handle leading to the resource data
resource ID number, you specify a resource name.
rType is a 4-byte ResType value. It identifies the resource type you want read into memory (e.g., 'FONT', 'WIND', etc.)
rName is the address of a Pascal-style length-prefixed string. It must
match a name in the current resource file except that character case
is not significant (e.g., "MyMdef" matches "mymdef" or "MYMDEF").
Returns: a handle which leads to the resource data. A return value of NIL indicates an error - either the resource can not be found or it will
resources only from the current resource file (see UseResFile). Refer to