mirror of
https://github.com/ioacademy-jikim/device_driver
synced 2025-06-07 07:56:08 +00:00
13 lines
161 B
C
13 lines
161 B
C
#define __must_check __attribute__((warn_unused_result))
|
|
int __must_check foo(void)
|
|
{
|
|
return -1;
|
|
}
|
|
|
|
int main()
|
|
{
|
|
int ret;
|
|
ret = foo();
|
|
return 0;
|
|
}
|