50   FILE *fp;  in readFile()  local
55   fp = fopen(filename.c_str(), "r");  in readFile()
56   if (fp != NULL) {  in readFile()
57     if ((read = getline(&line, &len, fp)) != -1) {  in readFile()
63     fclose(fp);  in readFile()
119   FILE *fp;  in switchToDrp()  local
122     fp = fopen(filename.c_str(), "w");  in switchToDrp()
123     if (fp != NULL) {  in switchToDrp()
124       int ret = fputs("dual", fp);  in switchToDrp()
125       fclose(fp);  in switchToDrp()
141   FILE *fp;  in switchMode()  local
149   fp = fopen(filename.c_str(), "w");  in switchMode()
150   if (fp != NULL) {  in switchMode()
156     int ret = fputs(convertRoletoString(newRole).c_str(), fp);  in switchMode()
157     fclose(fp);  in switchMode()
221   FILE *fp;  in switchRole()  local
237     fp = fopen(filename.c_str(), "w");  in switchRole()
238     if (fp != NULL) {  in switchRole()
239       int ret = fputs(convertRoletoString(newRole).c_str(), fp);  in switchRole()
240       fclose(fp);  in switchRole()