Questions tagged «memmove»

11
memcpy()vs memmove()
我想明白之间的差别memcpy(),并memmove()和我有阅读的文本memcpy(),而没有照顾重叠源和目的地memmove()一样。 但是,当我在重叠的存储块上执行这两个功能时,它们都给出相同的结果。例如,在memmove()帮助页面上采用以下MSDN示例:- 有没有更好的例子来了解它的缺点memcpy以及如何memmove解决? // crt_memcpy.c // Illustrate overlapping copy: memmove always handles it correctly; memcpy may handle // it correctly. #include <memory.h> #include <string.h> #include <stdio.h> char str1[7] = "aabbcc"; int main( void ) { printf( "The string: %s\n", str1 ); memcpy( str1 + 2, str1, 4 ); printf( "New …
157 c  memcpy  memmove 


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