std::memchr in C++
C++ offers various standard template libraries to be used. One of them is memchr() function which will search for the first occurrence of a character in a specified number of characters.
const void* memchr( const void* ptr, int ch, std::size_t count ); Parameters : ptr : Pointer to the object to be searched for. ch : Character to search for. count : Number of character to be searched for. Return value: If the character is found, the memchr() function returns a pointer to the location of the character, otherwise returns null pointer.
s is present in first 13 characters of "This is a sample"
search character found
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