INDEX(3) BSD Programmer's Manual INDEX(3)
NAME
index - locate character in string
SYNOPSIS
#include <string.h>
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
The character c 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.
BSDI BSD/386 March 26, 1993 1