RINDEX(3) BSD 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 null-terminated string s.
RETURN VALUES
A pointer to the character is returned if it is found; otherwise, NULL is returned. If c is ' ', rindex() locates the terminating ' '.
SEE ALSO
index(3), memchr(3), strchr(3), strcspn(3), strpbrk(3), strrchr(3), strsep(3), strspn(3), strstr(3), strtok(3)
HISTORY
A rindex() function appeared in Version 6 AT&T UNIX. Its prototype existed previously in <string.h> before it was moved to <strings.h> for
IEEE Std 1003.1-2001 (``POSIX.1'') compliance.
BSD
June 4, 1993 BSD