CNULL
grade = iswrk(CNULL);
if (s == CNULL)
if ((Mytype != CNULL) &&
GLOBAL char *Myline = CNULL; /* to force which line will be used */
GLOBAL char *Mytype = CNULL; /* to force selection of specific device type */
rmlock(CNULL); /* remove temporary lock set by gdev */
rmlock(CNULL);
rmlock (CNULL);
Cucall.line = CNULL;
Cucall.telno = CNULL;
Cucall.type = CNULL;
if(Cucall.line == CNULL) /*if none of above, must be direct */
if ((Cucall.telno != CNULL) &&
if ( (Cn < 0) && (Cucall.type != CNULL) )
if(Cucall.telno == CNULL)
flds[i] = CNULL;
if (!EQUALS(flds[U_SERVICE], service) || (flds[U_MAX] == CNULL))
if ((flds[U_SYSTEM] == CNULL) || (sysmatch(flds[U_SYSTEM]) != 0))
if (flds[U_MAX] == CNULL)
if (flds[U_MODE] == CNULL)
setbuf(_Lf, CNULL);
if (cp++ != CNULL)
if (cp++ != CNULL)
rmlock(CNULL);
rmlock(CNULL);
if (ttyn != CNULL && *ttyn != NULLCHAR) {
rmlock(CNULL);
if (ttyn != CNULL && *ttyn != NULLCHAR) {
rmlock(CNULL);
rmlock(CNULL);
if ((p = strchr(p, ' ')) != CNULL)
for (eVarPtr = Env; *eVarPtr != CNULL; eVarPtr++) {
setbuf(_Lf, CNULL);
rmlock(CNULL);
#define EQUALS(a,b) ((a != CNULL) && (b != CNULL) && (strcmp((a),(b))==SAME))
#define WEQUALS(a,b) ((a != CNULL) && (b != CNULL) && (wcscmp((a),(b))==SAME))
#define EQUALSN(a,b,n) ((a != CNULL) && (b != CNULL) && (strncmp((a),(b),(n))==SAME))
#define WEQUALSN(a,b,n) ((a != CNULL) && (b != CNULL) && (wcsncmp((a),(b),(n))==SAME))
rmlock(CNULL);
(void) split(prm, xsys, CNULL, rest);
setbuf(fpc, CNULL);
setbuf(fprx, CNULL);
ret = split(prm, syspart, CNULL, rest);
setbuf(fp, CNULL);
setbuf(fp, CNULL);
setbuf(fp, CNULL);
rmlock(CNULL);
rmlock(CNULL);
rmlock(CNULL);
rmlock(CNULL);
if (cp++ != CNULL)
if (cp++ != CNULL)
((a != CNULL) && (b != CNULL) && (strcmp((a), (b)) == SAME))
((a != CNULL) && (b != CNULL) && (strncmp((a), (b), (n)) == SAME))
if ((Mytype != CNULL) &&
static char *Myline = CNULL; /* to force which line will be used */
static char *Mytype = CNULL; /* to force selection of specific device type */
#define EQUALS(a, b) ((a != CNULL) && (b != CNULL) && \
#define EQUALSN(a, b, n) ((a != CNULL) && (b != CNULL) && \