Ubuntu-gr Forum

#include <stdio.h>
#include <ctype.h>

#define MAXINPUT	(255+1)
#define NORMAL		"ABEIOS"
#define BIFFED		"483105"

/* ------------------------------------------------------------------- */
char toBiff( const char c )
{
	for (int i=0; NORMAL[i]; i++ )
		if ( c == NORMAL[i] )
			return BIFFED[i];
	return c;
}
/* ------------------------------------------------------------------- */
int main( void )
{
	int i;
	char msg[ MAXINPUT ] = {'\0'};

	printf( "Message: ");
	for (i=0; i < MAXINPUT-1 && '\n' != (msg[i] = getchar()); i++ )
		msg[i] = toBiff( toupper(msg[i]) );

	/* remove '\n' from end of msg (if exists) */
	if ( msg[i] == '\n' )
		msg[i] = '\0';

	/* append 10 '!' at the end of msg, or less if there is no room */
	for (int j=0; j < 10 && i < MAXINPUT-1; i++, j++)
		msg[i] = '!';

	printf("BIFFED : %s\n", msg );

	return 0;
}