minix/lib/libsys/copyfd.c

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#include "syslib.h"
#include <string.h>
int
copyfd(endpoint_t endpt, int fd, int what)
{
message m;
memset(&m, 0, sizeof(m));
m.m_lsys_vfs_copyfd.endpt = endpt;
m.m_lsys_vfs_copyfd.fd = fd;
m.m_lsys_vfs_copyfd.what = what;
return _taskcall(VFS_PROC_NR, VFS_COPYFD, &m);
}