-
/*
- * strindex.c -- "unsigned" lexical index
- *
- * This code is Copyright (c) 2002, by the authors of nmh. See the
- * COPYRIGHT file in the root directory of the nmh distribution for
- * complete copyright information.
- */
+** strindex.c -- "unsigned" lexical index
+** -- Returns the index at which `needle' appears in `haystack'
+**
+** This code is Copyright (c) 2002, by the authors of nmh. See the
+** COPYRIGHT file in the root directory of the nmh distribution for
+** complete copyright information.
+*/
#include <h/mh.h>
int
-stringdex (char *p1, char *p2)
+stringdex(char *needle, char *haystack)
{
- char *p;
+ char *p;
- if (p1 == NULL || p2 == NULL)
- return -1;
+ if (needle == NULL || haystack == NULL)
+ return -1;
- for (p = p2; *p; p++)
- if (uprf (p, p1))
- return (p - p2);
+ for (p = haystack; *p; p++)
+ if (strncasecmp(p, needle, strlen(needle))==0)
+ return (p - haystack);
- return -1;
+ return -1;
}