int
onearg(s_char *arg, s_char *prompt)
{
- extern s_char *getstring(s_char *prompt, s_char *buf);
- int n;
- s_char buf[1024];
+ extern s_char *getstring(s_char *prompt, s_char *buf);
+ int n;
+ s_char buf[1024];
- if (arg == 0 || *arg == 0) {
- if ((arg = getstring(prompt, buf)) == 0)
- return -1;
- }
- n = atoi(arg);
- if (n < 0)
- return -1;
- return n;
+ if (arg == 0 || *arg == 0) {
+ if ((arg = getstring(prompt, buf)) == 0)
+ return -1;
+ }
+ n = atoi(arg);
+ if (n < 0)
+ return -1;
+ return n;
}