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Diffstat (limited to 'unix/boot/spp/rpp/ratlibr/locate.r')
-rw-r--r--unix/boot/spp/rpp/ratlibr/locate.r17
1 files changed, 17 insertions, 0 deletions
diff --git a/unix/boot/spp/rpp/ratlibr/locate.r b/unix/boot/spp/rpp/ratlibr/locate.r
new file mode 100644
index 00000000..c8d1365b
--- /dev/null
+++ b/unix/boot/spp/rpp/ratlibr/locate.r
@@ -0,0 +1,17 @@
+include defs
+
+# locate --- look for c in char class at pat (offset)
+
+ integer function locate (c, pat, offset)
+ character c, pat (MAXPAT)
+ integer offset
+
+ integer i
+
+ # size of class is at pat (offset), characters follow
+ for (i = offset + pat (offset); i > offset; i = i - 1)
+ if (c == pat (i))
+ return (YES)
+
+ return (NO)
+ end