-bash-2.05b$ gcc project4a.c -lpthreads
project4a.c: In function `main':
project4a.c:32: subscripted value is neither array nor pointer
project4a.c:33: subscripted value is neither array nor pointer
 

32:      n[x] = atoi(readnum);
33:      printf("%i ", n[x]);

const int MAX = 1024;
int n[51];
int tot_n;
 
void *numsort (void *arg);
 
 
int main()
{
  char readnum[MAX];
.
.
.

const int MAX = 1024;
int nums[50];
int tot_n;

  char readnum[MAX];
  int x = 0;
  int i, j, k, l, m, n;
  char *ifEOF;
  int numof_stgs;
  int numof_threads;
  pthread_t threadID;
  void *thread_result;

-bash-2.05b$ gcc project4a.c -lpthread
project4a.c: In function `numsort':
project4a.c:102: warning: assignment makes integer from pointer without a cast
project4a.c:104: invalid operands to binary -
project4a.c:108: array subscript is not an integer
project4a.c:110: array subscript is not an integer
project4a.c:111: array subscript is not an integer
 

93:  void *numsort(void *arg)
94:  {
95:  
96:    //compare and switch if needed
97:  
98:    int *index = (int*)arg;
99:  
100:    int last, tmp, next;
101:  
102:    next = index + 1;
103:  
104:    last = tot_n - index;
105:  
106:    if (last == 2)
107:      {
108:        if (nums[index] > nums[next])
109:          {
110:            tmp = nums[index];
111:            nums[index] = nums[next];
112:            nums[next] = tmp;
113:          }
114:      }
115:    else
116:      {
117:        printf("checking last element\n");
118:      }
119:  
120:    printf("\n%i: Hello World!\n", arg);
121:  
122:    pthread_exit ((void*)NULL);
123:  }