SW500010 Microchip Technology, SW500010 Datasheet - Page 248
SW500010
Manufacturer Part Number
SW500010
Description
HI-TECH C PRO FOR PIC10/12/16
Manufacturer
Microchip Technology
Type
Compilerr
Series
PIC10/12/16r
Specifications of SW500010
Supported Families
PIC10, PIC12, PIC16
Core Architecture
PIC
Software Edition
Professional
Kit Contents
Software And Docs
Mcu Supported Families
PIC10/12/16
Tool Type
Compiler
Lead Free Status / RoHS Status
Not applicable / Not applicable
For Use With/related Products
PIC10, PIC12, PIC14, PIC16, PIC16E
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
019P
778-1006
778-1006
778-1006
778-1006
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LONGJMP
Synopsis
Description
The longjmp() function, in conjunction with setjmp(), provides a mechanism for non-local goto’s.
To use this facility, setjmp() should be called with a jmp_buf argument in some outer level function.
The call from setjmp() will return 0.
from an inner level of execution. Note however that the function which called setjmp() must still be
active when longjmp() is called. Breach of this rule will cause disaster, due to the use of a stack
containing invalid data. The val argument to longjmp() will be the value apparently returned from
the setjmp(). This should normally be non-zero, to distinguish it from the genuine setjmp() call.
Example
248
To return to this level of execution, longjmp() may be called with the same jmp_buf argument
#include <setjmp.h>
void longjmp (jmp_buf buf, int val)
#include <stdio.h>
#include <setjmp.h>
#include <stdlib.h>
jmp_buf jb;
void
inner (void)
{
}
void
main (void)
{
longjmp(jb, 5);
int i;
Library Functions
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