几个简单的分配内存

1.非指针的操作

char buff[100];

bzero(buff,100);将buff中最开始的n个字节清空；

struct stat fileinfo;
bzero(&fileinfo, sizeof(fileinfo));

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struct stat file_info;

unsigned char *jpg_buffer;

jpg_buffer = (unsigned char *)calloc(1,file_info.st_size);//为jpg_buffer分配一块file_info.st_size大小的堆内存

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char *p;

p = (char *)malloc(10);//为p分配10字节区域在堆区;

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char *p = "123456";//在常量区 ,p在栈上；

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malloc calloc均是用free来释放；