#Meta-Wlp: #Macro: TITLE wlp: Learn C (I) p. 4
#include<stdio.h> int main(){ printf("Hello world!\n") ; }What do you suppose the int main() does? #Shuffle: none $PAGE$-A $PAGE$-B $PAGE$-C Learn C Introduction #: Something about interrupts. #: The empty parenthesis refer to the meaninglessness of existence. #: It's has something to do with how Unix runs a user's program by calling the function main and receiving, when main exists, an integer return code. #: