PR_GetHostByName¶
Looks up a host by name.
Syntax¶
#include <prnetdb.h>
PRStatus PR_GetHostByName(
const char *hostname,
char *buf,
PRIntn bufsize,
PRHostEnt *hostentry);
Parameters¶
The function has the following parameters:
hostname
The character string defining the host name of interest.
buf
A pointer to a buffer, allocated by the caller, that is filled in with host data on output. All of the pointers in the
hostentry
structure point to data saved in this buffer. This buffer is referenced by the runtime during a call to PR_EnumerateHostEnt.bufsize
Number of bytes in the
buf
parameter. The buffer must be at least PR_NETDB_BUF_SIZE bytes.hostentry
This structure is allocated by the caller. On output, this structure is filled in by the runtime if the function returns
PR_SUCCESS
.
Returns¶
The function returns one of the following values:
If successful,
PR_SUCCESS
.If unsuccessful,
PR_FAILURE
. You can retrieve the reason for the failure by calling PR_GetError.