int main() { for(int i = 0; i < 1; ++i) { } }
Standard input is empty
prog.c: In function ‘main’: prog.c:3:5: error: ‘for’ loop initial declarations are only allowed in C99 mode prog.c:3:5: note: use option -std=c99 or -std=gnu99 to compile your code prog.c:6:1: warning: control reaches end of non-void function [-Wreturn-type]
Standard output is empty