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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 letters in 'string' from lowercase to uppercase.

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

 Portability:   Applies to MS DOS only.

   -------------------------------- 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);
           }