C語言主函式結構分析
阿新 • • 發佈:2018-12-31
int main( void )
Every program in C begins executing at the function main
The keyword int indicates that main “returns” an integer value
The void Means that main does not receive any information
The backslash (\) is called an escape character轉義字元
return 0; /* indicate that program ended successfully */
Included at the end of every main function
The keyword return is to exit a function
When the return statement is used at the end of main, the value 0 indicates that the program has terminated successfully