if (memcmp(&setone, &settwo, sizeof(settwo)) == 0)
{
printf("The two arrays are identical, byte for byte.\n");
}
■
参照
●
strcmp()
,
strncmp()
,
wmemcmp()
memcpy, memcpy_s
メモリブロックの内容をコピーする
#include <string.h>
void* memcpy(void* restrict
dest
, const void* restrict
src
, size_t
n
);
errno_t memcpy_s(void* restrict
dest
, size_t
destmax
,
const void* restrict , rsize_t
n
); (C11)
memcpy()
関数は
src
の番地から始まる
n
連続バイトのブロックを
dest
の番地から始まる位
置にコピーする。戻り値は第1引数
dest
と同じとなる。元と先のブロックが重複しないよう
に2つのポインタ値は、少なくとも
n
バイト離す。それ以外の関数の振る舞いは未定義とな
る。重複ブロックには
memmove()
または
memmove_s()
を使う。
関数
memcpy_s()
は、
memcpy()
と同様、
src
の番地から始まる
n
連続バイトのブロックを
dest
の番地から始まる位置にコピーする。
memcpy()
と違
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