Have to define _DEFAULT_SOURCE before you can use the endian conversion functions. As most standard library headers use features.h, and _DEFAULT_SOURCE must be defined before features.h is included, we have to include base.h before other headers.
Have to define _DEFAULT_SOURCE before you can use the endian conversion functions. As most standard library headers use features.h, and _DEFAULT_SOURCE must be defined before features.h is included, we have to include base.h before other headers.