Add space to a string

Question

I am trying to add a space to each space until column = 0. I am not sure how to do this.

The problem is the following. If you look at a newspaper you will s

Answer 1

#include 
#include 
#include 

#define WIDTH 70
#define _(x) #x
#define str(x) _(x)

void ruler_print(int n){
    char ruler[] = "1234567890";

    while(n>9){
        printf(ruler);
        n -= 10;
    }
    ruler[n] = '\0';
    printf("%s\n", ruler);
}

int count_word(const char *text, size_t *count_char){
    int i;
    char *wk, *p;
    p=wk=strdup(text);
    *count_char=0;
    for(i=0;p=strtok(p, " ");++i,p=NULL){
        *count_char+=strlen(p);
    }
    free(wk);
    return i;
}

int main(void){
    int column, len, word_count;
    int i, spaces, between, remain;
    size_t count_char;
    char text[WIDTH + 1];
    char *p = text;

    printf("Enter the width of the column: ");scanf("%d%*c", &column);
    printf("Enter a line of text: ");scanf("%" str(WIDTH) "[^\n]", text);
    len=strlen(text);
    if(len > column || len > WIDTH){
        fprintf(stderr, "too long text!\n");
        return -1;
    }
    ruler_print(WIDTH);
    word_count = count_word(text, &count_char);
    spaces = column - count_char;
    between = spaces / (word_count -1);
    remain = spaces - (word_count -1)*between;
    strtok(text, " ");
    for(i=0;i