What is memcmp?

What is memcmp?

The memcmp() function compares n bytes of two regions of memory, treating each byte as an unsigned character. It returns an integer less than, equal to, or greater than zero according to whether s1 is lexicographically less than, equal to, or greater than s2.

What is memcmp in Cpp?

C++ memcmp() The memcmp() function takes three arguments: lhs , rhs and count . This function first interprets the objects pointed to by lhs and rhs as arrays of unsigned char . Then it compares the first count characters of lhs and rhs lexicographically. It is defined in header file.

What is the difference between memcmp and strcmp?

In short: strcmp compares null-terminated C strings. strncmp compares at most N characters of null-terminated C strings. memcmp compares binary byte buffers of N bytes.

How memcmp is implemented?

The memcmp function compares the first n characters of the object pointed to by s1 to the first n characters of the object pointed to by s2. If the n characters of s1 and s2 are the same then it returns 0, otherwise, it returns a non-zero value.

What do you mean by MEP engineering services?

A firm that offers MEP engineering services is one that provides mechanical, electrical, and plumbing engineering services. Mechanical, electrical, and plumbing are referred to as technical disciplines in professional engineering service.

What is the function memcmp in C library?

C library function – memcmp() Description. The C library function int memcmp(const void *str1, const void *str2, size_t n)) compares the first n bytes of memory area str1 and memory area str2.

What do you need to know about structural engineering?

WHAT IS STRUCTURAL ENGINEERING? Structural engineering is a branch of civil engineering that involves the application of the laws of physics, mathematics and empirical knowledge to safely design the ‘bones’ and load bearing elements of man made structures. Modern day structural engineering provides a large and detailed body

How is engineering software used by structural engineers?

Engineering software can be used by structural engineers to analyze different kinds of structures. It is always a good idea to check the validity of the software results using first principal knowledge and basic structural analysis formulas.