macros are defined in float.h

  • float.h in C

    float.h in C

    the header file named float.h of library c contains a set of diverse constants (platform dependent) related to floating point real number values.
  • limits.h in C

    limits.h in C

    the file header named limits.h in library c defines the various attributes of different variable types. macros, defined in this header, limit the value of various variable types such as char, int, and long.