folly::memrchr

Synopses

Declared in <folly/lang/CString.h>

Find the last occurrence of a byte in a buffer (mimics glibc memrchr).

void*
memrchr(
    void* s,
    int c,
    std::size_t len) noexcept;

Find the last occurrence of a byte in a read-only buffer (mimics glibc memrchr).

void const*
memrchr(
    void const* s,
    int c,
    std::size_t len) noexcept;

Pointer to the last matching byte, or nullptr if none

Name	Description
s	Pointer to the buffer to search
c	Byte value to search for
len	Number of bytes in the buffer