# thrd_equal

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< c‎ | thread

Defined in header `<threads.h>` |  |
int thrd_equal( thrd_t lhs, thrd_t rhs ); |  | (since C11)

Checks whether `lhs` and `rhs` refer to the same thread.

### Parameters

lhs, rhs | - | threads to compare

### Return value

Non-zero value if `lhs` and `rhs` refer to the same value, ​0​ otherwise.

### References

- C11 standard (ISO/IEC 9899:2011):

  - 7.26.5.4 The thrd_equal function (p: 384)

### See also

C++ documentation for operator_cmp

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