/* takes spaces out of a string in-place
 * 2007-06-30
 */
#include <stdio.h>

void pack(char *str) {
    int i,j;
    for(i=0;str[i] && str[i]!=' ';i++) ; /* optimization */
    for(j=i;str[i];i++) {
        if(str[i]!=' ') str[j++]=str[i];
    }
    str[j]=0;
}

int main() {
    char test[] = "I have defined the hundred per cent American as ninety-nine per cent an idiot. -- George Bernard Shaw";

    printf("%s\n", test);
    pack(test);
    printf("%s\n", test);
    return 0;
}