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Copy a given number of structures
#include <string.h>
size_t memcpyv( const struct iovec *dst,
int dparts,
int doff,
const struct iovec *src,
int sparts,
int soff );
- dst
- An array of iovec structures that you want to copy the
data to.
- dparts
- The number of entries in the dst array.
- doff
- The offset into the dst array at which to start copying.
- src
- An array of iovec structures that you want to copy the
data from.
- sparts
- The number of entries in the src array.
- soff
- The offset into the src array at which to start copying.
libc
Use the -l c option to
qcc
to link against this library.
This library is usually included automatically.
The function memcpyv() copies
data pointed to by the src I/O vector,
starting at offset soff,
to dst structures, starting at offset doff.
The number of I/O vector parts copied is specified in
sparts and dparts.
The number of bytes copied.
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
int main( void )
{
const struct iovec *dest, *source;
int dparts, doffset, sparts, soffset;
size_t nbytes;
nbytes = memcpyv ( dest, dparts, doffset,
source, sparts, soffset );
printf ( "The number of bytes copied is %d. \n", nbytes );
return EXIT_SUCCESS;
}
QNX 4
Safety: | |
Cancellation point |
No |
Interrupt handler |
Yes |
Signal handler |
Yes |
Thread |
Yes |
memccpy(),
memcpy()
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