Lines Matching refs:NULL
99 if (hist != NULL) in histedit()
111 if (el_in == NULL) in histedit()
113 if (el_out == NULL) in histedit()
115 if (el_in == NULL || el_out == NULL) in histedit()
131 if (el != NULL) { in histedit()
144 el = NULL; in histedit()
152 el_source(el, NULL); in histedit()
158 el = NULL; in histedit()
162 hist = NULL; in histedit()
175 if (hist != NULL) { in sethistsize()
176 if (hs == NULL || *hs == '\0' || in sethistsize()
186 if (el != NULL && term != NULL) in setterm()
202 if (el != NULL) {
222 const char *editor = NULL; in histcmd()
228 char *pat = NULL, *repl; /* ksh "fc old=new" crap */ in histcmd()
250 if (hist == NULL) in histcmd()
313 if (editor == NULL && in histcmd()
314 (editor = bltinlookup("FCEDIT", 1)) == NULL && in histcmd()
315 (editor = bltinlookup("EDITOR", 1)) == NULL) in histcmd()
319 editor = NULL; in histcmd()
328 ((repl = strchr(argv[0], '=')) != NULL)) { in histcmd()
380 if ((efp = fdopen(fd, "w")) == NULL) { in histcmd()
472 if (s == NULL) in not_fcnumber()