MQFS_NAMELEN
#define MQFS_DELEN (8 + MQFS_NAMELEN)
char mn_name[MQFS_NAMELEN+1];
for (i = 0; i < MQFS_NAMELEN - 1 && pn->mn_name[i] != '\0'; ++i)
char *path, pathbuf[MQFS_NAMELEN + 1];
error = copyinstr(upath, path, MQFS_NAMELEN + 1, NULL);
char *path, pathbuf[MQFS_NAMELEN + 1];
error = copyinstr(uap->path, path, MQFS_NAMELEN + 1, NULL);
if (cnp->cn_namelen >= MQFS_NAMELEN)