Function033

Write a C function print_upper ( ) to prints its character argument in uppercase.

#include <stdio.h>
#include <conio.h>
void print_upper ( char    str[] )
{                  
        int     i;
        for ( i = 0; str[i] != '\0'; i++ )
        {                                      
                  if ( str[i] >= 'a' && str[i] <= 'z' )
                  {                                 
                               str[i] = str[i] - 32;
                  }
        }
}

void main ( )
{                            
        char       str[40];
        clrscr ( );
                           
        printf("\n\n\n\t\t Enter a string..: "); gets(str);
        print_upper ( str );
        printf("\n\n\t\t The upper case string is..: %s",str);
        getch ( );
}

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