头文件:memory.h或string.h
函数原型:void *memset( void *buffer, int ch, size_t count )
功能:将buffer中的前count个字节替换为ch
范例:
#include<stdio.h>
#include<memory.h>
int main(void)
{
char buffer[] = "Hello world\n";
printf("Buffer before memset: %s\t%d\n", buffer,sizeof(buffer));
memset(buffer, '*', 5);
printf("Buffer after memset: %s\t%d\n", buffer,sizeof</