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RINDEX(3) Library Functions Manual RINDEX(3) NAME rindex - locate character in string LIBRARY Standard C Library (libc, -lc) SYNOPSIS #include <strings.h> char * rindex(const char *s, int c); DESCRIPTION The rindex() function locates the last character matching c (converted to a char) in the nul-terminated string s. This function is obsolete. The equivalent function strrchr(3) should be used instead. RETURN VALUES A pointer to the character is returned if it is found; otherwise NULL is returned. If c is `\0', rindex() locates the terminating `\0'. SEE ALSO index(3), memchr(3), strchr(3), strcspn(3), strpbrk(3), strrchr(3), strsep(3), strspn(3), strstr(3), strtok(3) STANDARDS The rindex() function conforms to IEEE Std 1003.1-2001 ("POSIX.1"). The IEEE Std 1003.1-2004 ("POSIX.1") revision marked it as legacy and recommended the use of strrchr(3) instead. The IEEE Std 1003.1-2008 ("POSIX.1") revision removed rindex() from the specification. HISTORY A rindex() function appeared in Version 6 AT&T UNIX. NetBSD 9.99 May 5, 2012 NetBSD 9.99