Help with an error I can't figure out

[chickendude]

Here's my code:


#define MAX 50
#define POWERS 7
main()
{
char input[MAX];
Term values[POWERS+1], temp;
int loc=0, i=0, j, k, best;
FILE* fp;

printf("test before");
scanf("%s",input);
printf("test after");
...


The program compiles, but I get a segmentation fault error on runtime
the test print before the input scan appears before the error, but the one after doesn't

it doesn't appear to be the syntax