| /* | |
| * setjmptest.c | |
| */ | |
| #include <stdio.h> | |
| #include <setjmp.h> | |
| static jmp_buf buf; | |
| void do_stuff(int v) | |
| { | |
| printf("setjmp returned %d\n", v); | |
| longjmp(buf, v+1); | |
| } | |
| void recurse(int ctr, int v) | |
| { | |
| if ( ctr-- ) { | |
| recurse(ctr, v); | |
| } else { | |
| do_stuff(v); | |
| } | |
| _fwrite(".", 1, stdout); | |
| } | |
| int main(void) | |
| { | |
| int v; | |
| v = setjmp(buf); | |
| if ( v < 256 ) | |
| recurse(v,v); | |
| return 0; | |
| } |