Zilog Z80380 Instrukcja Użytkownika Pobierz pdf (Strona 75)

UM004001-COR1103 4–11

Run Time Environment Library Functions

memcpy FUNCTION

Header file statement: #include <string.h>

Syntax: void *memcpy (void *dest, const void *src, size_t count)

The memcpy function copies count bytes of src to dest. If the source and destination overlap,

these functions do not ensure that the original source bytes in the overlapping region are cop

ied before being overwritten. Use memmove to handle overlapping regions.

Return Value

The memcpy function returns the value of dest.

memmove FUNCTION

Header file statement: #include <string.h>

Syntax: void *memmove (void *dest, const void *src, size_t count)

The memmove function copies count characters from the source (src) to the destination

(dest). If some regions of the source area and the destination overlap, the memmove function

ensures that the original source bytes in the overlapping region are copied before being over

written.

Return Value

The memmove function returns the value of dest.

Parameter Description

dest

New buffer

src Buffer to copy from

count Number of characters to copy

Parameter Description

dest

Destination object

src Source object

count Number of characters to copy

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Zilog Z80380 Instrukcja Użytkownika Strona 75