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Program to Print all the Letters in Upper Case

Posted By: Easy Tutor     Category: C Programming     Views: 4723

Write a program to Print all the Letters in Upper Case.

Code for Program to Print all the Letters in Upper Case in C Programming

 # include <dos.h>

 void interrupt (*OldInterruptFunction)( );
 void interrupt NewInterruptFunction( );


 int main( )
 {
    OldInterruptFunction=getvect(0x17);
    setvect(0x17,NewInterruptFunction);

    keep(0,(_SS+(_SP/16)-_psp));

    return 0;
 }


 /*************************************************************************///---------------------  NewInterruptFunction( )  -----------------------///*************************************************************************/void interrupt NewInterruptFunction( )
 {
    if(_AH==0x00)
    {
       if(_AL>='a' && _AL<='z')
      _AL-=32;
    }

    (*OldInterruptFunction)( );
 }
  
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Easy Tutor
Easy Tutor author of Program to Print all the Letters in Upper Case is from United States. Easy Tutor says

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