to[l-1] = '\0';
}
-static void
-eat(char **s, int (*p)(int), int r) {
- char *q;
-
- for(q = *s; *q && p(*q) == r; q++)
- ;
- *s = q;
+static char *
+eat(char *s, int (*p)(int), int r) {
+ while(s != '\0' && p(*s) == r)
+ s++;
+ return s;
}
static char*
-tok(char **s) {
- char *p;
-
- eat(s, isspace, 1);
- p = *s;
- eat(s, isspace, 0);
- if(**s)
- *(*s)++ = '\0';
- return p;
+skip(char *s, char c) {
+ while(*s != c && *s != '\0')
+ s++;
+ if (*s != '\0')
+ *s++ = '\0';
+ return s;
}
-static char*
-ctok(char **s, int c) {
- char *p, *q;
+static void
+trim(char *s) {
+ char *e;
- q = *s;
- for(p = q; *p && *p != c; p++)
- ;
- if(*p) *p++ = '\0';
- *s = p;
- return q;
+ e = s + strlen(s) - 1;
+ while (isspace(*e) && e > s)
+ e--;
+ *(e + 1) = '\0';
}