issign           1569 complex.c          if (issign(**s)) {
issign           1760 complex.c          if (issign(**s)) {
issign            103 ext/date/date_parse.c 	while (!issign((unsigned char)*s) && !isdigit((unsigned char)*s))
issign            106 ext/date/date_parse.c 	if (issign((unsigned char)*s))
issign            152 ext/date/date_parse.c 	while (!issign((unsigned char)*s) && !isdigit((unsigned char)*s))
issign            155 ext/date/date_parse.c 	if (issign(*s)) {
issign            434 ext/date/date_parse.c 	    if (issign(*s)) {
issign            354 ext/date/date_strptime.c 		    if (issign(str[si])) {
issign            536 ext/date/date_strptime.c 		      if (issign(str[si])) {
issign           2131 rational.c         if (issign(**s)) {