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strupr()                 Convert String to Uppercase

 #include   <string.h>                   Required for declarations only

 char       *strupr(string);
 char       *string;                     String to be capitalized

    strupr() converts lowercase letters in 'string' to uppercase.

    Returns:    A pointer to the converted string.  There is no error
                return.

  -------------------------------- Example ---------------------------------

    The following statements convert all lowercase letters to uppercase
    before printing the string.

         #include <string.h>
         #include <stdio.h>

         char *string = "convert this string to uppercase";
         char *strptr;

         main()
         {
              strptr = strupr(string);
              printf("%s",strptr);
         }