#include <stdio.h> int main(void) { int a-b; return 0; }
Standard input is empty
prog.c: In function ‘main’:
prog.c:4:7: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘-’ token
int a-b;
^
prog.c:4:8: error: ‘b’ undeclared (first use in this function)
int a-b;
^
prog.c:4:8: note: each undeclared identifier is reported only once for each function it appears in
Standard output is empty