Multi-dimensional array in c

I have a problem working with multi-dimensional array in C coming from PHP background.

I have an array msg which I am using as input for now. 1st element of array stores 'node_id', 2nd element stores 'actual message' and 3rd element holds 'controller_id'.

Task is handled by function handleSlotMessage(): This function should for each controller_id receive 3 input message (wait until it receives all 3 messages), upon receiving all 3 messages pass it further for processing.

For storing messages, I am trying to use a 'Multi-dimensional array' (which can be simply achieved in PHP): resultFromNodes but underlining my limited knowledge of 'C' I am unable to get this done.

For all the usage of resultFromNodes variable in handleSlotMessage function I am getting an error Subscribed value is not an array, pointer, or vector.

How can this be implemented in 'C' ? I tried answer from this to check if array is set or not.

#define UNINITIALIZED 0xcdcdcdcd


void handleSlotMessage();

int main(int argc, const char * argv[]) {

    int resultFromNodes[99][3] = {UNINITIALIZED};
    int i, j;
    int msg[10];

    // test data only
    for ( i = 1; i < 4; i++ ) {
        for ( j = 1; j < 4; j++ ) {
            msg[0] = j; // sender's id (node id)
            msg[1] = i*j; // message
            msg[2] = i; // controller's id (requester's id)

            handleSlotMessage(msg, *resultFromNodes);

        }
    }
    return 0;
}


void handleSlotMessage(int msg[], int resultsFromNodes[]) {

    // get controller id
    int controller_id = msg[2];
    int node_id = msg[0];
    int message = msg[1];
    int slot_count = 3;

    // check if the resultFromNodes already has controller_id set
    if (resultsFromNodes[controller_id] == UNINITIALIZED) {
        resultsFromNodes[controller_id][0] = slot_count;
    }
    if(resultsFromNodes[controller_id][0] == 0) {
        printf("Message Handled and result from Nodes sent for further processing! \n");
    } else {
        resultsFromNodes[controller_id][node_id] = message;
        printf("on node: %i  msg: %i controller: %i  \n\r", node_id, message, controller_id);
        resultsFromNodes[controller_id][0]--;
    }

    return;
}

EDIT: If this gives any one better idea, 'controller_id' ranges from 1-99 so instead of checking it is set or not it is feasible to check if it is within that range. I don't know if it helps in any way.