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 setvect()               Set Interrupt Vector Entry

 #include   <dos.h>

 void           setvect(intr_num,vector);
 int            intr_num;                Interrupt number
 void interrupt (*vector)();             New interrupt function

    setvect() sets the value (an address) of the interrupt vector entry
    'intr_num' to a new value specified by 'vector'. 'vector' is a far
    pointer that contains the address of a new interrupt function.  A C
    routine must be declared an 'interrupt' routine for its address to be
    passed to 'vector'.

       Returns:     Nothing

   Portability:     MS-DOS only.