setjmp : setjmp « setjmp.h « C Tutorial

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C Tutorial » setjmp.h » setjmp

20.2.1.setjmp

Item	Value
Header file	setjmp.h
Declaration	int setjmp(jmp_buf envbuf);
Function	saves the contents of the system stack in the buffer envbuf for later use by longjmp().
Return	returns zero upon invocation.

#include <setjmp.h>

  #include <stdio.h>



  jmp_buf ebuf;

  void f2(void);



  int main(void)

  {

    int i;



    printf("1 ");

    i = setjmp(ebuf);

    if(i == 0) {

      f2();

      printf("This will not be printed.");

    }

    printf("%d", i);



    return 0;

  }



  void f2(void)

  {

    printf("2 ");

    longjmp(ebuf, 3);

  }

20.2.setjmp
	20.2.1.	setjmp

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