foo.c: In function 'main':
foo.c:13:12: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
   13 |         if(c=0){
      |            ^
foo.c: At top level:
foo.c:19:2: error: stray '#' in program
   19 | }#include <stdio.h>
      |  ^
foo.c:19:11: error: expected '=', ',', ';', 'asm' or '__attribute__' before '<' token
   19 | }#include <stdio.h>
      |           ^

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