1. Point out the correct statements about the program? #include<stdio.h> int main() { FILE fptr; char str[80]; fptr = fopen("f1.dat", "w"); if(fptr == NULL) printf("Cannot open file"); else { while(strlen(gets(str))>0) { fputs(str, fptr); fputs("\n", fptr); } fclose(fptr); } return 0; }