#include <stdio.h> int c; int main(){ } return 0; }
Standard input is empty
prog.c: In function ‘main’: prog.c:7: warning: implicit declaration of function ‘getch’ /home/nMkZN8/cc9rTEer.o: In function `main': prog.c:(.text+0x19): undefined reference to `getch' collect2: ld returned 1 exit status
Standard output is empty