/*
*/
char **flatstr(char **list,int nmemb){
int nrbyte=0,r=0;
void *pt=NULL;
int nr=nmemb;
while(--nr){
int i=strlen(list[nr]);
nrbyte+=++i;
}
pt=malloc(/*header*/nmemb*(sizeof(char *)+1)+/*data*/nrbyte+1);
arr[nmemb]=NULL; //terminate pointer
/*
setup pointer
what we have here is array of pointer has shape:
char *arr[nmemb]; //in header site
*/
nr=nmemb;
char **arr=(char **)pt;
int pos=nmemb*sizeof(char *)+sizeof(char *);
while(--nr){
arr[r]=(char*)(arr+pos);
pos=pos+strlen(list[r]);pos++;
r++;
}
/*now I copy*/
nr=nmemb;
r=0;
while(--nr){
strcpy(arr[r],list[r]);
r++;
}
return arr;
}