el.c: In function `main': el.c:9: warning: unused variable `l' el.c:9: warning: unused variable `c' el.c:9: warning: unused variable `s' el.c:9: warning: unused variable `ok1' el.c:9: warning: unused variable `ok2' el.c:9: warning: unused variable `lo' el.c:9: warning: unused variable `lv' el.c:9: warning: `lin' might be used uninitialized in this function el.c:9: warning: `col' might be used uninitialized in this function el.c:9: warning: `o' might be used uninitialized in this function el.c:9: warning: `v' might be used uninitialized in this function