CC78K4 datasheet(199/523 Pages) NEC

номер детали	CC78K4

подробное описание детали	CC78K4 Ver.2.30 or Later, C Compiler Language

PDF	523 Pages

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производитель	NEC [NEC]

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CHAPTER 10 LIBRARY FUNCTIONS

User’s Manual U15556EJ1V0UM

199

5-3

calloc

Utility Functions

FUNCTION

The memory function calloc allocates an array area and then initializes the area to 0.

HEADER

stdlib. h

FUNCTION PROTOTYPE

void *calloc (size_t nmemb, size_t size);

Function

Arguments

Return Value

calloc

nmemb ... Number of

members in the array

size ... Size of each member

• Pointer to the beginning of

the allocated area if the

requested size is allocated

• Null pointer if the requested

size is not allocated

EXPLANATION

•

The calloc function allocates an area for an array consisting of n number of members (specified by nmemb),

each of which has the number of bytes specified by size and initializes the area (array members) to zero.

•

If memory cannot be allocated, the function returns a null pointer. (This memory allocation will start from a

break value and the address next to the allocated space will become a new break value. See 5-11 brk for

break value setting with the memory function brk.)

CC78K4 датащи(PDF) 199 Page - NEC