C run-time 三个申请内存函数
2009-10-05 10:04 Iron 阅读(194) 评论(0) 编辑 收藏 举报Allocates an array in memory with elements initialized to 0.
void *calloc(
size_t num,
size_t size
);
Parameters
num
Number of elements.
size
Length in bytes of each element.
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Allocates memory blocks.
void *malloc(
size_t size
);
Parameters
size
Bytes to allocate.
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Reallocate memory blocks.
void *realloc(
void *memblock,
size_t size
);
Parameters
memblock
Pointer to previously allocated memory block.
size
New size in bytes.
