how to convert char array to int in c code example

Example 1: char array to int c

char myarray[5] = {'-', '1', '2', '3', '\0'};
int i;
sscanf(myarray, "%d", &i);

Example 2: how to feed a char array to function in C

//If you know the size of the array you can pass it like this
void function(char array[10]) {
	//Do something with the array...
}

int main() {
	char array[] = {'a', 'b', ..., 'j'};
    function(array);
}