Ubuntu-gr Forum

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

#define MAXINPUT		(255+1)
#define MAXWORDS		30
#define WLEN			(20+1)

#define CHR_ACCEPTABLE(ch)	( !isspace( (int)(ch) ) && !ispunct( (int)(ch) ) )

/* ------------------------------------------------------- */
void print_words( char words[][WLEN] )
{
	if ( !words || !*words )
		return;

	for (int i=0; i < MAXWORDS && *(words[i]) != '\0'; i++ )
		puts( words[i] );

	return;
}
/* ------------------------------------------------------- */
char *s_cpTrim( const char *s )
{
	char *cp = (char *)s;

	if ( !s )
		return NULL;

	while ( !CHR_ACCEPTABLE(*cp) )
		cp++;

	return cp;

}
/* ------------------------------------------------------- */
int main( void )
{
	char input[ MAXINPUT ] 		= {'\0'};
	char words[ MAXWORDS ][ WLEN ] 	= { {'\0'} };
	char *cp = NULL, *ws = NULL;	/* ws: char-ptr to start of next word */
	int  iword = 0;

	printf("Type your sentence: ");
	fgets( input, MAXINPUT, stdin);

	/* trim leading non-word chars */
	ws = s_cpTrim( input );

	iword = 0;
	for (cp=ws; *cp && iword < MAXWORDS; cp++)
	{
		if ( !CHR_ACCEPTABLE(*cp) ) {
			*cp++ = '\0';
			strncpy( words[iword++], ws, WLEN-1 );
			ws = cp = s_cpTrim( cp );
		}
	}

	print_words( words );

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