linux c之＜setjmp.h＞使用总结

1、爆代码

 

#include<setjmp.h> #include<unistd.h> #include<stdio.h> #include<stdlib.h>void f1(int, int, int, int); void f2(void);static jmp_buf jmpbuffer; static int globval; int i = 4; int main(void) {int autoval;register int regival;volatile int volaval;static int statval;globval = 1; autoval = 2; regival = 3; volaval = 4; statval = 5;i = 5;int result = setjmp(jmpbuffer);if (result != 0) {printf("result is %d\n", result);printf("after longjmp:\n");printf("i is %d\n", i);printf("globval = %d, autoval = %d, regival = %d,"" volaval = %d, statval = %d\n",globval, autoval, regival, volaval, statval);exit(0);}else {puts("result == 0");}

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