Compilare: user.c: In function ‘parseJsonObject’: user.c:8:19: warning: unused variable ‘l’ [-Wunused-variable] char *value; int l; ^ user.c: In function ‘main’: user.c:81:2: warning: suggest parentheses around assignment used as truth value [-Wparentheses] while (c = fgetc(jsonFile)) ^ user.c:73:9: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen("convertor.out", "w", stdout); ^ user.c:101:14: warning: ‘l’ may be used uninitialized in this function [-Wmaybe-uninitialized] jsonObject[l] = 0; ^ user.c:108:8: warning: ‘jsonObject’ may be used uninitialized in this function [-Wmaybe-uninitialized] free(jsonObject); ^