AFAIK, C supports just a few data types:
int, float, double, char, void enum.
I need to store a number that could reach into the high 10 di
INT_MAX is just a definition in limits.h. You don't make it clear whether you need to store an integer or floating point value. If integer, and using a 64-bit compiler, use a LONG (LLONG for 32-bit).
INT_MAX
LONG
LLONG