toupper

Character Classification and Conversion Functions

Converts a character to uppercase.

int toupper( int c);

c The character to convert.

Return Values

This function returns the uppercase value of the specified character.

Example

The following example converts all characters in character_set to uppercase.

     char character_set[] = {'a', '5', '
, 'z'};
     int i;
     for( i=0; i<4; i++ )
          lr_output_message("%c ", toupper(character_set[i]));
Example: Output:
Action.c(7): A
Action.c(7): 5
Action.c(7): $
Action.c(7): Z