+
+///////////////////////////////////////////////////////////////////////////\r
+//\r
+// US_CheckParm() - checks to see if a string matches one of a set of\r
+// strings. The check is case insensitive. The routine returns the\r
+// index of the string that matched, or -1 if no matches were found\r
+//\r
+///////////////////////////////////////////////////////////////////////////\r
+int\r
+US_CheckParm(char *parm,char **strings)\r
+{\r
+ char cp,cs,\r
+ *p,*s;\r
+ int i;\r
+\r
+ while (!isalpha(*parm)) // Skip non-alphas\r
+ parm++;\r
+\r
+ for (i = 0;*strings && **strings;i++)\r
+ {\r
+ for (s = *strings++,p = parm,cs = cp = 0;cs == cp;)\r
+ {\r
+ cs = *s++;\r
+ if (!cs)\r
+ return(i);\r
+ cp = *p++;\r
+\r
+ if (isupper(cs))\r
+ cs = tolower(cs);\r
+ if (isupper(cp))\r
+ cp = tolower(cp);\r
+ }\r
+ }\r
+ return(-1);\r
+}