Visiteurs depuis le 27/01/2019 : 5180 Connectés : 1 Record de connectés : 90 For example, _ _APPLE_ _ is a macro that is defined on every Apple gcc-based Mac OS X system, and _ _MACH_ _ is one of several macros specific to Mac OS X. Table 4-1 lists the predefined macros available on Mac OS X. It is also not a Unix primer for Mac users; it presumes readers are comfortable with the. Scripting in OS