#include
     
       #include
      
        jmp_bufjumper; void Func1() {
             longjmp(jumper,1); } void Func2() {
             longjmp(jumper,2); } void Func3() {
             longjmp(jumper,-1); } //错误处理模块 void SetExceptionHandler() {
    switch ( setjmp(jumper) )          {
    case 0: //第一次设置,正常 break; case 1:                             printf( "error 1\n"); break; case 2:                             printf( "error 2\n"); break; default :                             printf( "unknown error\n"); break;          } } void main( void ) {
             SetExceptionHandler();          Func1();          Func2();          Func3(); }
      
     

 输出:

error 1

error 2

unknown error