Introduction Conditional compilation is a preprocessor mechanism that selectively includes…

Introduction The #if directive is the primary mechanism for conditional…

Introduction Preprocessor macros are a text substitution mechanism that executes…

Introduction Macros are text substitution directives processed by the C…

Introduction The clock function provides a standardized mechanism for measuring…

Introduction The difftime function in C calculates the difference between…

Definition The ctime function converts a time_t value representing calendar…

Introduction The gmtime function converts calendar time to Coordinated Universal…

Introduction The gmtime function converts calendar time to Coordinated Universal…

Definition struct tm is a standard C structure defined in…