From fa080de7afc95aa1c19a6e6fc0e0708ced2eadc4 Mon Sep 17 00:00:00 2001 From: Joseph Hunkeler Date: Wed, 8 Jul 2015 20:46:52 -0400 Subject: Initial commit --- sys/libc/rindex.c | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 sys/libc/rindex.c (limited to 'sys/libc/rindex.c') diff --git a/sys/libc/rindex.c b/sys/libc/rindex.c new file mode 100644 index 00000000..74169120 --- /dev/null +++ b/sys/libc/rindex.c @@ -0,0 +1,27 @@ +/* Copyright(c) 1986 Association of Universities for Research in Astronomy Inc. +*/ + +#define import_libc +#define import_spp +#include + + +/* RINDEX -- Search string STR for char CH, returning a pointer to the last +** occurrence of CH in STR or NULL. +*/ +char * +rindex ( + char *str, /* string to be searched */ + int ch /* character we are searching for */ +) +{ + register char *ip = str; + register char *last = NULL; + + do { + if (*ip == ch) + last = ip; + } while (*ip++); + + return (last); +} -- cgit