use malloc array c code example
Example 1: malloc int array c
int array_length = 100;
int *array = (int*) malloc(array_length * sizeof(int));
Example 2: c malloc array
#define ARR_LENGTH 2097152
int *arr = malloc (ARR_LENGTH * sizeof *arr);
int array_length = 100;
int *array = (int*) malloc(array_length * sizeof(int));
#define ARR_LENGTH 2097152
int *arr = malloc (ARR_LENGTH * sizeof *arr);