I am trying to write code to find all the prime numbers before a user entered number. I started with a working program and when I tried to create a function, it got all messed up. Can you help fix it ?
Sorry about indentation mistakes in advance. It says the error is on line 23Code:#include <stdio.h> int is_prime( int num ); int get_positive_integer(void); int main( ) { int upper; /* upper limit to check */ int num; /* current number to check */ int isprime; /* used to flag if number is prime or not */ upper = get_positive_integer(); /* Outer Loop - loop over num in range [2, upper] */ for (num = 2; num <= upper; num++) { /* Inner Loop - check if num is prime */ is_prime(num); { isprime = 1; /* 1 = TRUE; assume num is prime to start */ isprime = is_prime; } if (isprime) { printf("%d is prime.\n", num); } } return 0; } int get_positive_integer(void) { int number; do { printf("Enter a positive integer: "); scanf("%d", &number); } while (number < 1); return number; } int is_prime( int num ){ int div; /* divisor */ for (div=2; div<num; div++) { /* if div divides num evenly, then num % div == 0 */ if (num % div == 0) { break; } } return 0; return 1; }