get_func_attr

get a function attribute
     ea   - any address belonging to the function
     attr - one of FUNCATTR_... constants
returns: -1 - error
         otherwise returns the attribute value

long get_func_attr(long ea, long attr);

#ifndef __EA64__
#define FUNCATTR_START    0     // readonly: function start address
#define FUNCATTR_END      4     // readonly: function end address
#define FUNCATTR_FLAGS    8     // function flags
#define FUNCATTR_FRAME   16     // readonly: function frame id
#define FUNCATTR_FRSIZE  20     // readonly: size of local variables
#define FUNCATTR_FRREGS  24     // readonly: size of saved registers area
#define FUNCATTR_ARGSIZE 28     // readonly: number of bytes purged from the stack
#define FUNCATTR_FPD     32     // frame pointer delta
#define FUNCATTR_COLOR   36     // function color code
#define FUNCATTR_OWNER   16     // readonly: chunk owner (valid only for tail chunks)
#define FUNCATTR_REFQTY  20     // readonly: number of chunk parents (valid only for tail chunks)
#else // EA64
#define FUNCATTR_START    0
#define FUNCATTR_END      8
#define FUNCATTR_FLAGS   16
#define FUNCATTR_FRAME   24
#define FUNCATTR_FRSIZE  32
#define FUNCATTR_FRREGS  40
#define FUNCATTR_ARGSIZE 48
#define FUNCATTR_FPD     56
#define FUNCATTR_COLOR   64
#define FUNCATTR_OWNER   24
#define FUNCATTR_REFQTY  32
#endif