// Create a function voidmyFunction() { printf("I just got executed!"); } intmain() { myFunction();// call the function return0; } // Outputs "I just got executed!" Try it Yourself » A function can be called multiple times: ...
int myFunction(int x) { return 5 + x;}int main() { printf("Result is: %d", myFunction(3)); return 0;}// Outputs 8 (5 + 3) Try it Yourself » This example returns the sum of a function with two parameters:Example int myFunction(int x, int y) { return x + y;}int ...
split_commandline() 负责解析命令行。 /*** Split the commandline into an intermediate form convenient for further* processing.** The commandline is assumed to be composed of options which either belong to a* group (those with OPT_SPEC, OPT_OFFSET or OPT_PERFILE) or are global* (everythin...
putchar() – This C standard library function outputs a single character to the standard output stream, often the console, and then returns the character as an integer value. To write a single character to the screen or a file, use the putchar function. It just needs one argument, which...
Perform_Critical_Safety_Function (X); /* this comment is not compliant */ 在检查包含函数调用的页中,假设它是可执行代码。 因为可能会省略掉注释的结束标记,那么对安全关键函数的调用将不会被执行。 规则2.4(建议): 代码段不应被“注释掉”(comment out)。
Compiler error C2688 'type::member': covariant returns with multiple or virtual inheritance not supported for varargs functions Compiler error C2689 'function': a friend function cannot be defined within a local class Compiler error C2690 'operator': cannot perform pointer arithmetic on a managed/...
fopen returns NULL for existing file fopen with string format std::wstring fscanf - reading "comma seperted file" Full working example to capture screen using DirectX Function error "already has a body" Function template instantation & export from DLL fwrite issues with large data write GDI reso...
once in the string constant and once in the function name. A macro which takes the name of a command as an argument can make this unnecessary. The string constant can be created with stringification, and the function name by concatenating the argument with`_command'. Here is how it is don...
However, for built-in C types, a function can return only a single object of the type specified in the function signature. It is not possible to define a function with multiple return types. You cannot, for example, have a function that returns three differentintobjects. If you want to ...
To enable multiple-statement execution and result processing, the following options may be used: Themysql_real_connect()function has aflagsargument for which two option values are relevant: CLIENT_MULTI_RESULTSenables the client program to process multiple results. This optionmustbe enabled if you ex...