String(Char array) in&out(Detail&Shortcut)

#include<stdio.h>
int main()
{
    char *a;
    a = malloc(256);
    /*char name[100];char ch;
    int i=0;*/
   scanf("%[^\n]255s", a);
   printf("%s", a);
    /*printf("%s", name);
    while(i<100)
    {
        if((ch=getchar())!='\n'){
            name[i++] = ch;
        }
        else
            break;
    }
    name[i] = '\0';
    printf("%s", name);
*/

    return 0;
}