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INDEX(3)                    BSD Programmer's Manual                   INDEX(3)

NAME
     index - locate character in string

SYNOPSIS
     #include <&lt;string.h>&gt;

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

DESCRIPTION
     The index() function locates the first 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 '\0', index() locates the terminating '\0'.

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

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

4.4BSD                           June 4, 1993                                1