prog.c: In function ‘main’:
prog.c:5:8: warning: statement with no effect [-Wunused-value]
for (i<4;i==0;i++);
~^~
prog.c:5:2: warning: this ‘for’ clause does not guard... [-Wmisleading-indentation]
for (i<4;i==0;i++);
^~~
prog.c:6:2: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the ‘for’
{if (i<4);
^
prog.c:8:2: error: expected ‘;’ before ‘else’
else
^~~~
prog.c:4:17: warning: unused variable ‘j’ [-Wunused-variable]
int a, b, i=0, j;
^
prog.c:4:9: warning: unused variable ‘b’ [-Wunused-variable]
int a, b, i=0, j;
^
prog.c:4:6: warning: unused variable ‘a’ [-Wunused-variable]
int a, b, i=0, j;
^