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

#define	MAXSTRLEN    1000

void
delete_space(char dst[], char src[])
{
    int i, j;

    i = 0; j = 0;

    while (src[i] != '\0') {
	if (isspace(src[i])) {
	    i++;
	}
	else {
	    dst[j++] = src[i++];
	}
    }
    
    dst[j++] = '\0';
}

int
main(void)
{
    char strbuf[MAXSTRLEN];
    char strbuf2[MAXSTRLEN];

    printf("input=");
    while (gets(strbuf) != NULL) {

	delete_space(strbuf2, strbuf);

	printf("input string=%s\n", strbuf);
	printf("space deleted=%s\n", strbuf2);

	printf("input=");
    }

    return 0;
}