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integration-commands
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hello
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hello.c
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/*
* hello.c - Simple hello program
*/
#include
<stdio.h>
#include
<libhello.h>
int
main
(
int
argc
,
char
*
argv
[])
{
const
char
*
person
=
NULL
;
if
(
argc
>
1
)
person
=
argv
[
1
];
if
(
person
)
hello
(
person
);
else
hello
(
"stranger"
);
return
0
;
}