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-rw-r--r--lib/lib.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/lib/lib.c b/lib/lib.c
index 6559030c..681d4d23 100644
--- a/lib/lib.c
+++ b/lib/lib.c
@@ -1033,3 +1033,14 @@ char *next_printf(char *s, char **start)
return 0;
}
+
+// Posix inexplicably hasn't got this, so find str in line.
+char *strnstr(char *line, char *str)
+{
+ long len = strlen(str);
+ char *s;
+
+ for (s = line; *s; s++) if (!strncasecmp(s, str, len)) break;
+
+ return *s ? s : 0;
+}