memcpy ( dst src size -- ) (original) (raw)
memcpy ( dst src size -- )
Factor handbook » C library interface » Passing data between Factor and C » Manual memory management
| Prev: | |free ( alien -- alien ) |
|---|---|
| Next: | memory>byte-array ( alien len -- byte-array ) |
Vocabulary
libc
Inputs
| dst | a c-ptr |
|---|---|
| src | a c-ptr |
| size | a non-negative integer |
Outputs
None
Word description
Copies size bytes from src to dst.
Warning
According to the BSD C library documentation, the behavior is undefined if the source and destination overlap.
Definition
USING: alien.c-types alien.syntax ;
LIBRARY: libc FUNCTION: void memcpy
( void* dst, void* src, ulong size )