Ubuntu-gr Forum

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

/* ------------------------------------------------------- */
void reverse_name( char *name )
{
	char ch, *cp = NULL;

	if ( !name )
		return;

	/* find & save the 1st letter of first name */
	for (cp=name; *cp && isspace(*cp); cp++)	/* skip any blanks */
		;	/* void */
	if ( !*cp )					/* name was empty or all blanks */
		return;					/* ... early exit */

	ch = *cp;					/* save 1st letter */

	/* find start of last name */
	for (; *cp && !isspace(*cp); cp++ )		/* skip first name */
		;	/* void */
	for (; *cp && isspace(*cp); cp++ )		/* skip any blanks */
		;	/* void */
	if ( !*cp )					/* there was no non-blank last name */
		return;					/* ... early exit */

	/* copy last name to start of name */
	while ( *cp && !isspace(*cp) )
		*name++ = *cp++;

	/* append the mummble-jumble asked by the exercise */
	*name++ = ',';
	*name++ = ' ';
	*name++ = ch;
	*name++ = '.';
	*name = '\0';
}
/* ------------------------------------------------------- */
int main( void )
{
	char name[] = " 	Harry Karayannis ";

	reverse_name( name );
	printf( "%s\n", name );

	system("pause");					/* windows only */
	exit( EXIT_SUCCESS );
}