#include <stdio.h>
#include <stdlib.h>
#include <stddef.h>
char *join_strings(char *strings[], int count){
    
    if (strings == NULL) return NULL;

    int tot = 0;
    int index = 0;
    //connaitre taille des str dans strings
    for (int i = 0; i < count; i++){
    
        index = 0;
        //binf
        while (strings[i][index]){
            tot ++;
            index ++;
            //printf("boucle inf ici");
        }
         
    }

    char *rslt = malloc((tot + count) * sizeof(char));
    if (rslt == NULL) return NULL;

    tot = 0;

    for (int i = 0; i < count; i ++){
        index = 0;
        //binf
        while (strings[i][index]){
            
            *(rslt + tot) = strings[i][index];
            index ++;
            tot ++;    
        }
        if (i == count - 1)
            *(rslt + tot) = '\0';
        else *(rslt + tot) = ' ';
        tot ++;
    }
    //free(strings);
    return rslt;
}
/*
int main(){
    
    char *str[] = {"Hello", "from ", "Java", "swimming pool"};
    char *test = join_strings(str, 4);
    printf("%s\n", test);
    free (test);

    test = join_strings(NULL, 0);
    printf("%s\n", test);
    free(test);

}*/