memrchr overloads

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;

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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;

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Return Value

Pointer to the last matching byte, or nullptr if none

Parameters

Name

Description

s

Pointer to the buffer to search

c

Byte value to search for

len

Number of bytes in the buffer

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