tags: Bug collection c++ c language

The C language standard allows the main function to be of type void. According to the C++ standard, main must be of type int
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1. Explanation of parameter meaning The argc and argv parameters are useful when compiling programs on the command line. main( int argc, char* argv[], char **env ) in: The first parameter, int-type ar...
The C ++ 11 standard adds a: main function must return int? I didn't pay attention to this problem before. I want to change an environment today. When using vscode, I found that Void main didn't pass,...
Consider two definitions of main (). and What's the difference? In C ++, there is no difference, the same. These two definitions are also applicable in the C language, but the second definition with V...
Article translation transferred from:https://users.aber.ac.uk/auj/voidmain.cgi Void Main (Void) - Incorrect usage News Group comp.lang.c Almost continuously discusses whether we can use Void as the re...
First, clarify three points: 1: The process under Linux will have a return value, range [0 ~ 255], int main () is to correspond to this return value. 2: Use int main () mainly to return a value to the...
After writing the code today, I found that there was no return value in the logic, but the function (required to have a return value) ran successfully. After researching, I found that the specific rul...
One, the main function is also a function First of all, we need to understand the definition of functions in C/C++, because the main function is also a function. The difference from other functions is...
forward from Let’s talk about the C99 regulations, main needs a return value. Two forms are allowed, one with parameters and the other without parameters. Among them, argv can be written as char...
Blog from ajioy: The specific meaning of int main(int argc,char *argv[]) in c/c++ int main(int argc,char * argv[]) Argv is a pointer to a pointer Argc is an integer char **argv or: char ...
LeetCode listing inverted topic When you use the stack stack's POP (), write it at first Error: Cannot Initialize a Variable of Type 'int' with an rvalue of type 'void' Because POP () is only responsi...