How do I get DOUBLE_MAX?

Question

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

Answer 1

DBL_MAX is defined in . Its availability in on unix is what is marked as "(LEGACY)".

(linking to the unix standard even though you have no unix tag since that's probably where you found the "LEGACY" notation, but much of what is shown there for float.h is also in the C standard back to C89)