Belkin F8E211 Guia do Utilizador descarregar pdf (Página 59)

free()

Free the memory area allocated by usbd

alloc()

Synopsis:

#include <sys/usbdi.h>

void usbd_free( void* ptr );

Arguments:

ptr A pointer to the memory area to be freed.

Library:

libusbdi

Description:

The usbd

free() function frees the memory allocated by usbd

alloc(). The function

deallocates the memory area speciﬁed by ptr, which was previously returned by a call

to usbd

mphys().

It’s safe to call usbd

free() with a NULL ptr.

Returns:

EOK Success.

Classiﬁcation:

QNX Neutrino, QNX 4

Safety

Cancellation point No

Interrupt handler No

Signal handler No

Thread Yes

See also:

usbd

alloc(), usbd

alloc

urb(), usbd

free

urb(), usbd

mphys()

September 10, 2007 Chapter 4 • USB Library Reference 45

1 2 ... 54 55 56 57 58 59 60 61 62 63 64 ... 106 107

Sem comentários

Belkin F8E211 Guia do Utilizador Página 59