NAME    [Toc]    [Back]

     index - locate character in string

LIBRARY    [Toc]    [Back]

     Standard C Library (libc, -lc)

SYNOPSIS    [Toc]    [Back]

     #include <strings.h>

     char *
     index(const char *s, int c);

DESCRIPTION    [Toc]    [Back]

     The index() function locates the first character matching c (converted to
     a char) in the null-terminated string s.

RETURN VALUES    [Toc]    [Back]

     A pointer to the character is returned if it is found; otherwise NULL is
     returned.  If c is '\0', index() locates the terminating '\0'.

SEE ALSO    [Toc]    [Back]

     memchr(3), rindex(3), strchr(3), strcspn(3), strpbrk(3), strrchr(3),
     strsep(3), strspn(3), strstr(3), strtok(3)

HISTORY    [Toc]    [Back]

     An index() function appeared in Version 6 AT&T UNIX.

BSD                              June 4, 1993                              BSD