X-Git-Url: http://4ch.mooo.com/gitweb/?a=blobdiff_plain;f=src%2Flib%2Flib_head.c;h=4ca25c9cbc48fe153f5311d45462810c542fb440;hb=a423e762973f70f457b66845696d58aa597291ed;hp=0f080bcaae4c227258b3c080513cbb9db08545ed;hpb=d9e8696a3a67052729b1b783f0f3f1b0d20d9e9a;p=16.git

diff --git a/src/lib/lib_head.c b/src/lib/lib_head.c
index 0f080bca..4ca25c9c 100644
--- a/src/lib/lib_head.c
+++ b/src/lib/lib_head.c
@@ -21,7 +21,7 @@
  */
 
 #include "src/lib/lib_head.h"
-
+
 /* local function */
 void wait(clock_t wait);
 void* AllocateLargestFreeBlock(size_t* Size);
@@ -128,3 +128,38 @@ filesize(FILE *fp)
 	fseek(fp, save_pos, SEEK_SET);
 	return(size_of_file);
 }
+
+///////////////////////////////////////////////////////////////////////////
+//
+//      US_CheckParm() - checks to see if a string matches one of a set of
+//              strings. The check is case insensitive. The routine returns the
+//              index of the string that matched, or -1 if no matches were found
+//
+///////////////////////////////////////////////////////////////////////////
+int
+US_CheckParm(char *parm,char **strings)
+{
+	char    cp,cs,
+			*p,*s;
+	int             i;
+
+	while (!isalpha(*parm)) // Skip non-alphas
+		parm++;
+
+	for (i = 0;*strings && **strings;i++)
+	{
+		for (s = *strings++,p = parm,cs = cp = 0;cs == cp;)
+		{
+			cs = *s++;
+			if (!cs)
+				return(i);
+			cp = *p++;
+
+			if (isupper(cs))
+				cs = tolower(cs);
+			if (isupper(cp))
+				cp = tolower(cp);
+		}
+	}
+	return(-1);
+}