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| programming_languages:cpp:pointer [2017/02/19 15:46] – ↷ Seite von programmiersprachen:cpp:pointer nach programming_languages:cpp:pointer verschoben phreazer | programming_languages:cpp:pointer [2017/10/05 02:24] (current) – [Function pointer] phreazer | ||
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| (*psSomething).nValue = 5; | (*psSomething).nValue = 5; | ||
| psSomething-> | psSomething-> | ||
| + | </ | ||
| + | |||
| + | ===== Function pointer ===== | ||
| + | |||
| + | <code cpp> | ||
| + | // Pointer f to a function, which returns void and has no parameters | ||
| + | void (*f) (void) | ||
| + | // Pointer f to a function, which returns a void pointer and has a void pointer as parameter | ||
| + | void *(*f)(void *) | ||
| + | // Function can be called like this: | ||
| + | f(); | ||
| + | // Pointer func2, which returns a pointer to a char and takes a pointer to a const char and an int as a parameter. | ||
| + | char * (*func2)(const char *, int) = strchr; | ||
| </ | </ | ||