String/ForceMatch.c
void printString(String* s) {
    for (int i = 0; i < s->len; i++) {
        printf(i == 0 ? "%c " : "-> %c ", s->data[i]);
    }
    printf("\n");
}
/**
 * print string
 * @param s the pointer of string
 */
print string
@param s the pointer of string
print string @param s the pointer of string
void printString(String* s) {
    for (int i = 0; i < s->len; i++) {
        printf(i == 0 ? "%c " : "-> %c ", s->data[i]);
    }
    printf("\n");
}
void printString ( String * s ) { for ( int i = 0 ; i < s -> len ; i ++ ) { printf ( i == 0 ? " " : " " , s -> data [ i ] ) ; } printf ( " \n " ) ; }
print string
 @param s the pointer of string
print string @param s the pointer of string