longjump

longjump執行非局部轉移#include

函式名: longjump

功 能: 執行非局部轉移

用 法: void longjump(jmp_buf env, int val);

程式例:

#include

#include

#include

void subroutine(jmp_buf);

int main(void)

{

int value;

jmp_buf jumper;

value = setjmp(jumper);

if (value != 0)

{

printf("Longjmp with value %d\n", value);

exit(value);

}

printf("About to call subroutine ... \n");

subroutine(jumper);

return 0;

}

void subroutine(jmp_buf jumper)

{

longjmp(jumper,1);

}