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- #include <errno.h>
- #include <signal.h>
- #define __need_NULL
- #include <stddef.h>
- int sigandset (sigset_t *dest, const sigset_t *left, const sigset_t *right)
- {
- if (dest == NULL || left == NULL || right == NULL)
- {
- __set_errno (EINVAL);
- return -1;
- }
- return __sigandset (dest, left, right);
- }
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