Judging if an array is ascendingin a recursion way

int b[8] = {'3','2','3','4','5','6','7','8'};int isAsc(int* b, int len){if(len == 0){return 1;}if(b[len] >=  b[len-1]){return isAsc(b,len-1);}else{return -1;}}int main(){ int result = isAsc(b,7);printf("%d", result);getchar();}