1a\ jmp_buf jmp9998, jmp32; int lab31=0; s/ int / inte /g s/goto lab31 ; /{lab31=1; return;}/ s/goto lab32/longjmp(jmp32,1)/ s/goto lab9998/longjmp(jmp9998,1)/g s/lab31:// s/lab32:// s/hack1 () ;/if(setjmp(jmp9998)==1) goto lab9998;if(setjmp(jmp32)==0)while(true)/ s/hack2 ()/break/ /^void main_body/,$s/while ( true/while ( lab31==0/