memrchr(3) Library Functions Manual memrchr(3) NAME memrchr - memory rear-search character LIBRARY Standard C library (libc, -lc) SYNOPSIS #define _GNU_SOURCE // See feature_test_macros(7) #include // see memory.h(3head) void *memrchr(size_t n; const void s[n], int c, size_t n); DESCRIPTION memrchr() is like memchr(3), except that it searches backward from the end of the n bytes pointed to by s instead of forward from the beginning. RETURN VALUE See memchr(3). ATTRIBUTES For an explanation of the terms used in this section, see attributes(7). +--------------------------------------------+---------------+---------+ |Interface | Attribute | Value | +--------------------------------------------+---------------+---------+ |memrchr () | Thread safety | MT-Safe | +--------------------------------------------+---------------+---------+ STANDARDS GNU. HISTORY glibc 2.2. SEE ALSO memory.h(3head), memchr(3) Linux man-pages 6.19 2026-08-10 memrchr(3)