Version Information - Variables and functions to check the GLib version
Basic Types - standard GLib types, defined for ease-of-use and portability.
Limits of Basic Types - portable method of determining the limits of the standard types.
Standard Macros - commonly-used macros.
Type Conversion Macros - portably storing integers in pointer variables.
Byte Order Macros - a portable way to convert between different byte orders.
Numerical Definitions - mathematical constants, and floating point decomposition.
Miscellaneous Macros - specialized macros which are not used often.
Atomic Operations - basic atomic integer and pointer operations