Lines Matching full:memchr
0 # memchr.m4 serial 12
16 dnl These days, we assume memchr is present. But if support for old
18 AC_CHECK_FUNCS_ONCE([memchr])
25 # memchr should not dereference anything with length 0
27 # memchr should not dereference overestimated length after a match
30 # Assume that memchr works on platforms that lack mprotect.
31 AC_CACHE_CHECK([whether memchr works], [gl_cv_func_memchr_works],
67 if (memchr (fence, 0, 0))
70 if (memchr (fence - 9, 0, 79) != fence - 1)
72 if (memchr (fence - 1, 0, 3) != fence - 1)
85 # Prerequisites of lib/memchr.c.
