[tools-linking] Running shared object

[verma]

I tried to run a shared object.
I am able to build and run the shared object after giving entry point and -I 
/user/lib/ld.so.1 option, but 
its giving segmentation fault after printing my printf statement.
I changed the code from return(0) and call exit(0), now its working fine.

int
foo()
{
        printf("Hi from foo\n");
        return(0); 
}

int
foo()
{
        printf("Hi from foo\n");
        exit(0); 
}

Can any one help me why its not working when I called return(0).
Is this due to c run time library(crt1.s) code or something else.
 
 
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