Memcmp

Env::Memcmp

int32_t Memcmp(const void* p1 , const void* p2 , uint32_t size);

Equivalent of standard memcmp. Compares the first size characters of given arrays. The comparison is done lexicographically.

Parameters

• p1 : pointer to the first memory buffer to compare
• p2 : pointer to the second memory buffer to compare
• size : number of bytes to examine

Return value

• Negative value if the first differing byte in p1 is less than the corresponding byte in p2.
• ​0​ if all size bytes of p1 and p2 are equal.
• Positive value if the first differing byte in p1 is greater than the corresponding byte in p2.

Notes

• none

Example