Socket_Recvfrom (changes)
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Internet
» SWI Calls
» Socket_Recvfrom
Socket_Recvfrom
(SWI &41206)
| Entry | |
|---|---|
| R0 | Socket descriptor |
| R1 | Pointer to buffer to receive into |
| R2 | Size of buffer |
| R3 | Flags |
| R4 | Pointer to an address to be filled in |
| R5 | Pointer to an integer containing the size of the address |
| Exit | |
|---|---|
| R0 | Number of bytes sent |
Use
The purpose of this call is to read data from a socket without needing to have connected the socket prior to use.
Berkeley sockets equivalence
This SWI directly corresponded to the function recvfrom in 4.3BSD.
Notes
This SWI is deprecated; the format of the address block in R4 was changed in Internet 5.00 and a new SWI added which accommodates the new layout. See Socket_Recvfrom_1 for details.
See also
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