1 This directory contains interfaces and implementations that isolate the 2 rest of the package from platform details. 3 4 Code in the rest of the package includes "port.h" from this directory. 5 "port.h" in turn includes a platform specific "port_<platform>.h" file 6 that provides the platform specific implementation. 7 8 See port_posix.h for an example of what must be provided in a platform 9 specific header file. 10 11